| 約数 |
1,
2,
4,
5,
7,
8,
10,
14,
16,
20,
25,
28,
35,
40,
49,
50,
56,
70,
80,
98,
100,
101,
112,
140,
175,
196,
200,
202,
245,
280,
350,
392,
400,
404,
490,
505,
560,
700,
707,
784,
808,
980,
1010,
1225,
1400,
1414,
1616,
1960,
2020,
2450,
2525,
2800,
2828,
3535,
3920,
4040,
4900,
4949,
5050,
5656,
7070,
8080,
9800,
9898,
10100,
11312,
14140,
17675,
19600,
19796,
20200,
24745,
28280,
35350,
39592,
40400,
49490,
56560,
70700,
79184,
98980,
123725,
141400,
197960,
247450,
282800,
395920,
494900,
989800,
1979600
|