68945510

素因数分解:

$2^1\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{3449}}^1$

素因数の和:5455

約数の個数: 16

約数和(自身を含む): 124200000

約数和(自身を除く): 55254490

約数列:

[1, 2, 5, 10, 1999, 3449, 3998, 6898, 9995, 17245, 19990, 34490, 6894551, 13789102, 34472755, 68945510]

約数ペア:

[(1, 68945510), (2, 34472755), (5, 13789102), (10, 6894551), (1999, 34490), (3449, 19990), (3998, 17245), (6898, 9995)]