| 約数 |
1,
2,
4,
5,
7,
8,
10,
14,
20,
28,
35,
40,
49,
56,
70,
97,
98,
140,
194,
196,
245,
280,
388,
392,
485,
490,
679,
776,
970,
980,
1358,
1940,
1960,
2621,
2716,
3395,
3880,
4753,
5242,
5432,
6790,
9506,
10484,
13105,
13580,
18347,
19012,
20968,
23765,
26210,
27160,
36694,
38024,
47530,
52420,
73388,
91735,
95060,
104840,
128429,
146776,
183470,
190120,
254237,
256858,
366940,
508474,
513716,
642145,
733880,
1016948,
1027432,
1271185,
1284290,
1779659,
2033896,
2542370,
2568580,
3559318,
5084740,
5137160,
7118636,
8898295,
10169480,
12457613,
14237272,
17796590,
24915226,
35593180,
49830452,
62288065,
71186360,
99660904,
124576130,
249152260,
498304520
|