731397014780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{809}}^1\times {\mathrm{26891}}^1$

素因数の和:27791

約数の個数: 72

約数和(自身を含む): 1576313842320

約数和(自身を除く): 844916827540

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 809, 820, 1618, 1681, 3236, 3362, 4045, 6724, 8090, 8405, 16180, 16810, 26891, 33169, 33620, 53782, 66338, 107564, 132676, 134455, 165845, 268910, 331690, 537820, 663380, 1102531, 1359929, 2205062, 2719858, 4410124, 5439716, 5512655, 6799645, 11025310, 13599290, 21754819, 22050620, 27198580, 43509638, 45203771, 87019276, 90407542, 108774095, 180815084, 217548190, 226018855, 435096380, 452037710, 891947579, 904075420, 1783895158, 3567790316, 4459737895, 8919475790, 17838951580, 36569850739, 73139701478, 146279402956, 182849253695, 365698507390, 731397014780]

約数ペア:

[(1, 731397014780), (2, 365698507390), (4, 182849253695), (5, 146279402956), (10, 73139701478), (20, 36569850739), (41, 17838951580), (82, 8919475790), (164, 4459737895), (205, 3567790316), (410, 1783895158), (809, 904075420), (820, 891947579), (1618, 452037710), (1681, 435096380), (3236, 226018855), (3362, 217548190), (4045, 180815084), (6724, 108774095), (8090, 90407542), (8405, 87019276), (16180, 45203771), (16810, 43509638), (26891, 27198580), (33169, 22050620), (33620, 21754819), (53782, 13599290), (66338, 11025310), (107564, 6799645), (132676, 5512655), (134455, 5439716), (165845, 4410124), (268910, 2719858), (331690, 2205062), (537820, 1359929), (663380, 1102531)]