68875600

素因数分解:

$2^4\times 5^2\times {\mathrm{409}}^1\times {\mathrm{421}}^1$

素因数の和:848

約数の個数: 60

約数和(自身を含む): 166272220

約数和(自身を除く): 97396620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 409, 421, 818, 842, 1636, 1684, 2045, 2105, 3272, 3368, 4090, 4210, 6544, 6736, 8180, 8420, 10225, 10525, 16360, 16840, 20450, 21050, 32720, 33680, 40900, 42100, 81800, 84200, 163600, 168400, 172189, 344378, 688756, 860945, 1377512, 1721890, 2755024, 3443780, 4304725, 6887560, 8609450, 13775120, 17218900, 34437800, 68875600]

約数ペア:

[(1, 68875600), (2, 34437800), (4, 17218900), (5, 13775120), (8, 8609450), (10, 6887560), (16, 4304725), (20, 3443780), (25, 2755024), (40, 1721890), (50, 1377512), (80, 860945), (100, 688756), (200, 344378), (400, 172189), (409, 168400), (421, 163600), (818, 84200), (842, 81800), (1636, 42100), (1684, 40900), (2045, 33680), (2105, 32720), (3272, 21050), (3368, 20450), (4090, 16840), (4210, 16360), (6544, 10525), (6736, 10225), (8180, 8420)]