315840580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{13171}}^1$

素因数の和:13300

約数の個数: 48

約数和(自身を含む): 730255680

約数和(自身を除く): 414415100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2180, 2398, 4796, 5995, 11990, 13171, 23980, 26342, 52684, 65855, 131710, 144881, 263420, 289762, 579524, 724405, 1435639, 1448810, 2871278, 2897620, 5742556, 7178195, 14356390, 15792029, 28712780, 31584058, 63168116, 78960145, 157920290, 315840580]

約数ペア:

[(1, 315840580), (2, 157920290), (4, 78960145), (5, 63168116), (10, 31584058), (11, 28712780), (20, 15792029), (22, 14356390), (44, 7178195), (55, 5742556), (109, 2897620), (110, 2871278), (218, 1448810), (220, 1435639), (436, 724405), (545, 579524), (1090, 289762), (1199, 263420), (2180, 144881), (2398, 131710), (4796, 65855), (5995, 52684), (11990, 26342), (13171, 23980)]