68910700

素因数分解:

$2^2\times 5^2\times {\mathrm{689107}}^1$

素因数の和:689121

約数の個数: 18

約数和(自身を含む): 149536436

約数和(自身を除く): 80625736

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 689107, 1378214, 2756428, 3445535, 6891070, 13782140, 17227675, 34455350, 68910700]

約数ペア:

[(1, 68910700), (2, 34455350), (4, 17227675), (5, 13782140), (10, 6891070), (20, 3445535), (25, 2756428), (50, 1378214), (100, 689107)]