251620559620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{727}}^1\times {\mathrm{422083}}^1$

素因数の和:422860

約数の個数: 48

約数和(自身を含む): 542036896128

約数和(自身を除く): 290416336508

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 727, 820, 1454, 2908, 3635, 7270, 14540, 29807, 59614, 119228, 149035, 298070, 422083, 596140, 844166, 1688332, 2110415, 4220830, 8441660, 17305403, 34610806, 69221612, 86527015, 173054030, 306854341, 346108060, 613708682, 1227417364, 1534271705, 3068543410, 6137086820, 12581027981, 25162055962, 50324111924, 62905139905, 125810279810, 251620559620]

約数ペア:

[(1, 251620559620), (2, 125810279810), (4, 62905139905), (5, 50324111924), (10, 25162055962), (20, 12581027981), (41, 6137086820), (82, 3068543410), (164, 1534271705), (205, 1227417364), (410, 613708682), (727, 346108060), (820, 306854341), (1454, 173054030), (2908, 86527015), (3635, 69221612), (7270, 34610806), (14540, 17305403), (29807, 8441660), (59614, 4220830), (119228, 2110415), (149035, 1688332), (298070, 844166), (422083, 596140)]