870870220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{232853}}^1$

素因数の和:232890

約数の個数: 48

約数和(自身を含む): 2112451488

約数和(自身を除く): 1241581268

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 232853, 465706, 931412, 1164265, 2328530, 2561383, 3958501, 4657060, 5122766, 7917002, 10245532, 12806915, 15834004, 19792505, 25613830, 39585010, 43543511, 51227660, 79170020, 87087022, 174174044, 217717555, 435435110, 870870220]

約数ペア:

[(1, 870870220), (2, 435435110), (4, 217717555), (5, 174174044), (10, 87087022), (11, 79170020), (17, 51227660), (20, 43543511), (22, 39585010), (34, 25613830), (44, 19792505), (55, 15834004), (68, 12806915), (85, 10245532), (110, 7917002), (170, 5122766), (187, 4657060), (220, 3958501), (340, 2561383), (374, 2328530), (748, 1164265), (935, 931412), (1870, 465706), (3740, 232853)]