388637720

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{164677}}^1$

素因数の和:164747

約数の個数: 32

約数和(自身を含む): 889261200

約数和(自身を除く): 500623480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 164677, 329354, 658708, 823385, 1317416, 1646770, 3293540, 6587080, 9715943, 19431886, 38863772, 48579715, 77727544, 97159430, 194318860, 388637720]

約数ペア:

[(1, 388637720), (2, 194318860), (4, 97159430), (5, 77727544), (8, 48579715), (10, 38863772), (20, 19431886), (40, 9715943), (59, 6587080), (118, 3293540), (236, 1646770), (295, 1317416), (472, 823385), (590, 658708), (1180, 329354), (2360, 164677)]