268516420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{2657}}^1$

素因数の和:2860

約数の個数: 48

約数和(自身を含む): 585865728

約数和(自身を除く): 317349308

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 163, 310, 326, 620, 652, 815, 1630, 2657, 3260, 5053, 5314, 10106, 10628, 13285, 20212, 25265, 26570, 50530, 53140, 82367, 101060, 164734, 329468, 411835, 433091, 823670, 866182, 1647340, 1732364, 2165455, 4330910, 8661820, 13425821, 26851642, 53703284, 67129105, 134258210, 268516420]

約数ペア:

[(1, 268516420), (2, 134258210), (4, 67129105), (5, 53703284), (10, 26851642), (20, 13425821), (31, 8661820), (62, 4330910), (124, 2165455), (155, 1732364), (163, 1647340), (310, 866182), (326, 823670), (620, 433091), (652, 411835), (815, 329468), (1630, 164734), (2657, 101060), (3260, 82367), (5053, 53140), (5314, 50530), (10106, 26570), (10628, 25265), (13285, 20212)]