68702800

素因数分解:

$2^4\times 5^2\times {\mathrm{171757}}^1$

素因数の和:171775

約数の個数: 30

約数和(自身を含む): 165059438

約数和(自身を除く): 96356638

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 171757, 343514, 687028, 858785, 1374056, 1717570, 2748112, 3435140, 4293925, 6870280, 8587850, 13740560, 17175700, 34351400, 68702800]

約数ペア:

[(1, 68702800), (2, 34351400), (4, 17175700), (5, 13740560), (8, 8587850), (10, 6870280), (16, 4293925), (20, 3435140), (25, 2748112), (40, 1717570), (50, 1374056), (80, 858785), (100, 687028), (200, 343514), (400, 171757)]