2620730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1291}}^1$

素因数の和:1334

約数の個数: 32

約数和(自身を含む): 5581440

約数和(自身を除く): 2960710

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 1291, 2030, 2582, 6455, 9037, 12910, 18074, 37439, 45185, 74878, 90370, 187195, 262073, 374390, 524146, 1310365, 2620730]

約数ペア:

[(1, 2620730), (2, 1310365), (5, 524146), (7, 374390), (10, 262073), (14, 187195), (29, 90370), (35, 74878), (58, 45185), (70, 37439), (145, 18074), (203, 12910), (290, 9037), (406, 6455), (1015, 2582), (1291, 2030)]