72358420

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{317}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 155303568

約数和(自身を除く): 82945148

約数列:

[1, 2, 4, 5, 10, 20, 101, 113, 202, 226, 317, 404, 452, 505, 565, 634, 1010, 1130, 1268, 1585, 2020, 2260, 3170, 6340, 11413, 22826, 32017, 35821, 45652, 57065, 64034, 71642, 114130, 128068, 143284, 160085, 179105, 228260, 320170, 358210, 640340, 716420, 3617921, 7235842, 14471684, 18089605, 36179210, 72358420]

約数ペア:

[(1, 72358420), (2, 36179210), (4, 18089605), (5, 14471684), (10, 7235842), (20, 3617921), (101, 716420), (113, 640340), (202, 358210), (226, 320170), (317, 228260), (404, 179105), (452, 160085), (505, 143284), (565, 128068), (634, 114130), (1010, 71642), (1130, 64034), (1268, 57065), (1585, 45652), (2020, 35821), (2260, 32017), (3170, 22826), (6340, 11413)]