56591690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1999}}^1$

素因数の和:2174

約数の個数: 32

約数和(自身を含む): 108000000

約数和(自身を除く): 51408310

約数列:

[1, 2, 5, 10, 19, 38, 95, 149, 190, 298, 745, 1490, 1999, 2831, 3998, 5662, 9995, 14155, 19990, 28310, 37981, 75962, 189905, 297851, 379810, 595702, 1489255, 2978510, 5659169, 11318338, 28295845, 56591690]

約数ペア:

[(1, 56591690), (2, 28295845), (5, 11318338), (10, 5659169), (19, 2978510), (38, 1489255), (95, 595702), (149, 379810), (190, 297851), (298, 189905), (745, 75962), (1490, 37981), (1999, 28310), (2831, 19990), (3998, 14155), (5662, 9995)]