版权声明:dream_on_sakura_rain https://blog.csdn.net/qq_32112175/article/details/88536281
一个数如果恰好等于它的各因子(该数本身除外)子和,如:6=3+2+1,则称其为“完数”;若因子之和大于该数,则称其为“盈数”。求出2 到60 之间所有“完数”和“盈数”,并以如下形式输出: E: e1 e2 e3 …(ei 为完数) G: g1 g2 g3 …(gi 为盈数)
https://github.com/licunzhi/niuke/blob/master/src/com/sakura/aaaad/IntegerSurplus.java
import java.util.ArrayList;
import java.util.List;
/**
* @ClassName IntegerSurplus
* @Description 一个数如果恰好等于它的各因子(该数本身除外)子和,如:6=3+2+1,则称其为“完数”;
* 若因子之和大于该数,则称其为“盈数”。求出2 到60 之间所有“完数”和“盈数”,并以如下形式输出: E: e1 e2 e3 ......(ei 为完数) G: g1 g2 g3 ......(gi 为盈数)
* @Author lcz
* @Date 2019/03/13 16:32
*/
public class IntegerSurplus {
public static void main(String[] args) {
List<Integer> wanshu = new ArrayList<>();
List<Integer> yingshu = new ArrayList<>();
for (int i = 2; i <= 60; i++) {
int result = 0;
for (int j = 1; j < i; j++) {
if (i % j == 0) {
result += j;
}
}
if (result == i) {
wanshu.add(i);
} else if (result > i) {
yingshu.add(i);
}
}
System.out.print("E: ");
wanshu.forEach(value -> System.out.print(value + " "));
System.out.print("G: ");
yingshu.forEach(value -> System.out.print(value + " "));
}
}