488656870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{47581}}^1$

素因数の和:47680

約数の個数: 32

約数和(自身を含む): 959253120

約数和(自身を除く): 470596250

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 2054, 5135, 10270, 47581, 95162, 237905, 475810, 618553, 1237106, 3092765, 3758899, 6185530, 7517798, 18794495, 37588990, 48865687, 97731374, 244328435, 488656870]

約数ペア:

[(1, 488656870), (2, 244328435), (5, 97731374), (10, 48865687), (13, 37588990), (26, 18794495), (65, 7517798), (79, 6185530), (130, 3758899), (158, 3092765), (395, 1237106), (790, 618553), (1027, 475810), (2054, 237905), (5135, 95162), (10270, 47581)]