68220400

素因数分解:

$2^4\times 5^2\times {\mathrm{170551}}^1$

素因数の和:170569

約数の個数: 30

約数和(自身を含む): 163900472

約数和(自身を除く): 95680072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 170551, 341102, 682204, 852755, 1364408, 1705510, 2728816, 3411020, 4263775, 6822040, 8527550, 13644080, 17055100, 34110200, 68220400]

約数ペア:

[(1, 68220400), (2, 34110200), (4, 17055100), (5, 13644080), (8, 8527550), (10, 6822040), (16, 4263775), (20, 3411020), (25, 2728816), (40, 1705510), (50, 1364408), (80, 852755), (100, 682204), (200, 341102), (400, 170551)]