253723160

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{42571}}^1$

素因数の和:42731

約数の個数: 32

約数和(自身を含む): 574722000

約数和(自身を除く): 320998840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 42571, 85142, 170284, 212855, 340568, 425710, 851420, 1702840, 6343079, 12686158, 25372316, 31715395, 50744632, 63430790, 126861580, 253723160]

約数ペア:

[(1, 253723160), (2, 126861580), (4, 63430790), (5, 50744632), (8, 31715395), (10, 25372316), (20, 12686158), (40, 6343079), (149, 1702840), (298, 851420), (596, 425710), (745, 340568), (1192, 212855), (1490, 170284), (2980, 85142), (5960, 42571)]