400090088

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{495161}}^1$

素因数の和:495268

約数の個数: 16

約数和(自身を含む): 757597860

約数和(自身を除く): 357507772

約数列:

[1, 2, 4, 8, 101, 202, 404, 808, 495161, 990322, 1980644, 3961288, 50011261, 100022522, 200045044, 400090088]

約数ペア:

[(1, 400090088), (2, 200045044), (4, 100022522), (8, 50011261), (101, 3961288), (202, 1980644), (404, 990322), (808, 495161)]