68867600

素因数分解:

$2^4\times 5^2\times {\mathrm{172169}}^1$

素因数の和:172187

約数の個数: 30

約数和(自身を含む): 165455370

約数和(自身を除く): 96587770

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 172169, 344338, 688676, 860845, 1377352, 1721690, 2754704, 3443380, 4304225, 6886760, 8608450, 13773520, 17216900, 34433800, 68867600]

約数ペア:

[(1, 68867600), (2, 34433800), (4, 17216900), (5, 13773520), (8, 8608450), (10, 6886760), (16, 4304225), (20, 3443380), (25, 2754704), (40, 1721690), (50, 1377352), (80, 860845), (100, 688676), (200, 344338), (400, 172169)]