68304580

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{22921}}^1$

素因数の和:23079

約数の個数: 24

約数和(自身を含む): 144408600

約数和(自身を除く): 76104020

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 22921, 45842, 91684, 114605, 229210, 458420, 3415229, 6830458, 13660916, 17076145, 34152290, 68304580]

約数ペア:

[(1, 68304580), (2, 34152290), (4, 17076145), (5, 13660916), (10, 6830458), (20, 3415229), (149, 458420), (298, 229210), (596, 114605), (745, 91684), (1490, 45842), (2980, 22921)]