496721980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{18493}}^1$

素因数の和:18598

約数の個数: 48

約数和(自身を含む): 1118517120

約数和(自身を除く): 621795140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 790, 1343, 1580, 2686, 5372, 6715, 13430, 18493, 26860, 36986, 73972, 92465, 184930, 314381, 369860, 628762, 1257524, 1460947, 1571905, 2921894, 3143810, 5843788, 6287620, 7304735, 14609470, 24836099, 29218940, 49672198, 99344396, 124180495, 248360990, 496721980]

約数ペア:

[(1, 496721980), (2, 248360990), (4, 124180495), (5, 99344396), (10, 49672198), (17, 29218940), (20, 24836099), (34, 14609470), (68, 7304735), (79, 6287620), (85, 5843788), (158, 3143810), (170, 2921894), (316, 1571905), (340, 1460947), (395, 1257524), (790, 628762), (1343, 369860), (1580, 314381), (2686, 184930), (5372, 92465), (6715, 73972), (13430, 36986), (18493, 26860)]