315095980

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{139423}}^1$

素因数の和:139545

約数の個数: 24

約数和(自身を含む): 667562112

約数和(自身を除く): 352466132

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 139423, 278846, 557692, 697115, 1394230, 2788460, 15754799, 31509598, 63019196, 78773995, 157547990, 315095980]

約数ペア:

[(1, 315095980), (2, 157547990), (4, 78773995), (5, 63019196), (10, 31509598), (20, 15754799), (113, 2788460), (226, 1394230), (452, 697115), (565, 557692), (1130, 278846), (2260, 139423)]