209141570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{17443}}^1$

素因数の和:17570

約数の個数: 32

約数和(自身を含む): 414469440

約数和(自身を除く): 205327870

約数列:

[1, 2, 5, 10, 11, 22, 55, 109, 110, 218, 545, 1090, 1199, 2398, 5995, 11990, 17443, 34886, 87215, 174430, 191873, 383746, 959365, 1901287, 1918730, 3802574, 9506435, 19012870, 20914157, 41828314, 104570785, 209141570]

約数ペア:

[(1, 209141570), (2, 104570785), (5, 41828314), (10, 20914157), (11, 19012870), (22, 9506435), (55, 3802574), (109, 1918730), (110, 1901287), (218, 959365), (545, 383746), (1090, 191873), (1199, 174430), (2398, 87215), (5995, 34886), (11990, 17443)]