664340

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{563}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 1421280

約数和(自身を除く): 756940

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 563, 590, 1126, 1180, 2252, 2815, 5630, 11260, 33217, 66434, 132868, 166085, 332170, 664340]

約数ペア:

[(1, 664340), (2, 332170), (4, 166085), (5, 132868), (10, 66434), (20, 33217), (59, 11260), (118, 5630), (236, 2815), (295, 2252), (563, 1180), (590, 1126)]