409802770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1531}}^1$

素因数の和:1651

約数の個数: 64

約数和(自身を含む): 833898240

約数和(自身を除く): 424095470

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 71, 130, 142, 145, 290, 355, 377, 710, 754, 923, 1531, 1846, 1885, 2059, 3062, 3770, 4118, 4615, 7655, 9230, 10295, 15310, 19903, 20590, 26767, 39806, 44399, 53534, 88798, 99515, 108701, 133835, 199030, 217402, 221995, 267670, 443990, 543505, 577187, 1087010, 1154374, 1413113, 2826226, 2885935, 3152329, 5771870, 6304658, 7065565, 14131130, 15761645, 31523290, 40980277, 81960554, 204901385, 409802770]

約数ペア:

[(1, 409802770), (2, 204901385), (5, 81960554), (10, 40980277), (13, 31523290), (26, 15761645), (29, 14131130), (58, 7065565), (65, 6304658), (71, 5771870), (130, 3152329), (142, 2885935), (145, 2826226), (290, 1413113), (355, 1154374), (377, 1087010), (710, 577187), (754, 543505), (923, 443990), (1531, 267670), (1846, 221995), (1885, 217402), (2059, 199030), (3062, 133835), (3770, 108701), (4118, 99515), (4615, 88798), (7655, 53534), (9230, 44399), (10295, 39806), (15310, 26767), (19903, 20590)]