2015183900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{409}}^1\times {\mathrm{1699}}^1$

素因数の和:2151

約数の個数: 72

約数和(自身を含む): 4537470000

約数和(自身を除く): 2522286100

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 409, 580, 725, 818, 1450, 1636, 1699, 2045, 2900, 3398, 4090, 6796, 8180, 8495, 10225, 11861, 16990, 20450, 23722, 33980, 40900, 42475, 47444, 49271, 59305, 84950, 98542, 118610, 169900, 197084, 237220, 246355, 296525, 492710, 593050, 694891, 985420, 1186100, 1231775, 1389782, 2463550, 2779564, 3474455, 4927100, 6948910, 13897820, 17372275, 20151839, 34744550, 40303678, 69489100, 80607356, 100759195, 201518390, 403036780, 503795975, 1007591950, 2015183900]

約数ペア:

[(1, 2015183900), (2, 1007591950), (4, 503795975), (5, 403036780), (10, 201518390), (20, 100759195), (25, 80607356), (29, 69489100), (50, 40303678), (58, 34744550), (100, 20151839), (116, 17372275), (145, 13897820), (290, 6948910), (409, 4927100), (580, 3474455), (725, 2779564), (818, 2463550), (1450, 1389782), (1636, 1231775), (1699, 1186100), (2045, 985420), (2900, 694891), (3398, 593050), (4090, 492710), (6796, 296525), (8180, 246355), (8495, 237220), (10225, 197084), (11861, 169900), (16990, 118610), (20450, 98542), (23722, 84950), (33980, 59305), (40900, 49271), (42475, 47444)]