399582010

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{12641}}^1$

素因数の和:12786

約数の個数: 32

約数和(自身を含む): 750934800

約数和(自身を除く): 351352790

約数列:

[1, 2, 5, 10, 29, 58, 109, 145, 218, 290, 545, 1090, 3161, 6322, 12641, 15805, 25282, 31610, 63205, 126410, 366589, 733178, 1377869, 1832945, 2755738, 3665890, 6889345, 13778690, 39958201, 79916402, 199791005, 399582010]

約数ペア:

[(1, 399582010), (2, 199791005), (5, 79916402), (10, 39958201), (29, 13778690), (58, 6889345), (109, 3665890), (145, 2755738), (218, 1832945), (290, 1377869), (545, 733178), (1090, 366589), (3161, 126410), (6322, 63205), (12641, 31610), (15805, 25282)]