208064870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3037}}^1$

素因数の和:3105

約数の個数: 64

約数和(自身を含む): 440971776

約数和(自身を除く): 232906906

約数列:

[1, 2, 5, 10, 13, 17, 26, 31, 34, 62, 65, 85, 130, 155, 170, 221, 310, 403, 442, 527, 806, 1054, 1105, 2015, 2210, 2635, 3037, 4030, 5270, 6074, 6851, 13702, 15185, 30370, 34255, 39481, 51629, 68510, 78962, 94147, 103258, 188294, 197405, 258145, 394810, 470735, 516290, 671177, 941470, 1223911, 1342354, 1600499, 2447822, 3200998, 3355885, 6119555, 6711770, 8002495, 12239110, 16004990, 20806487, 41612974, 104032435, 208064870]

約数ペア:

[(1, 208064870), (2, 104032435), (5, 41612974), (10, 20806487), (13, 16004990), (17, 12239110), (26, 8002495), (31, 6711770), (34, 6119555), (62, 3355885), (65, 3200998), (85, 2447822), (130, 1600499), (155, 1342354), (170, 1223911), (221, 941470), (310, 671177), (403, 516290), (442, 470735), (527, 394810), (806, 258145), (1054, 197405), (1105, 188294), (2015, 103258), (2210, 94147), (2635, 78962), (3037, 68510), (4030, 51629), (5270, 39481), (6074, 34255), (6851, 30370), (13702, 15185)]