315099790

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1\times {\mathrm{2521}}^1$

素因数の和:2988

約数の個数: 32

約数和(自身を含む): 588332160

約数和(自身を除く): 273232370

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 431, 862, 2155, 2521, 4310, 5042, 12499, 12605, 24998, 25210, 62495, 73109, 124990, 146218, 365545, 731090, 1086551, 2173102, 5432755, 10865510, 31509979, 63019958, 157549895, 315099790]

約数ペア:

[(1, 315099790), (2, 157549895), (5, 63019958), (10, 31509979), (29, 10865510), (58, 5432755), (145, 2173102), (290, 1086551), (431, 731090), (862, 365545), (2155, 146218), (2521, 124990), (4310, 73109), (5042, 62495), (12499, 25210), (12605, 24998)]