123975490

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{1129}}^1$

素因数の和:1354

約数の個数: 32

約数和(自身を含む): 227808000

約数和(自身を除く): 103832510

約数列:

[1, 2, 5, 10, 79, 139, 158, 278, 395, 695, 790, 1129, 1390, 2258, 5645, 10981, 11290, 21962, 54905, 89191, 109810, 156931, 178382, 313862, 445955, 784655, 891910, 1569310, 12397549, 24795098, 61987745, 123975490]

約数ペア:

[(1, 123975490), (2, 61987745), (5, 24795098), (10, 12397549), (79, 1569310), (139, 891910), (158, 784655), (278, 445955), (395, 313862), (695, 178382), (790, 156931), (1129, 109810), (1390, 89191), (2258, 54905), (5645, 21962), (10981, 11290)]