3129080

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{571}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 7104240

約数和(自身を除く): 3975160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 571, 685, 1096, 1142, 1370, 2284, 2740, 2855, 4568, 5480, 5710, 11420, 22840, 78227, 156454, 312908, 391135, 625816, 782270, 1564540, 3129080]

約数ペア:

[(1, 3129080), (2, 1564540), (4, 782270), (5, 625816), (8, 391135), (10, 312908), (20, 156454), (40, 78227), (137, 22840), (274, 11420), (548, 5710), (571, 5480), (685, 4568), (1096, 2855), (1142, 2740), (1370, 2284)]