1297583740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1367}}^1\times {\mathrm{1531}}^1$

素因数の和:2938

約数の個数: 48

約数和(自身を含む): 2816722944

約数和(自身を除く): 1519139204

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1367, 1531, 2734, 3062, 5468, 6124, 6835, 7655, 13670, 15310, 27340, 30620, 42377, 47461, 84754, 94922, 169508, 189844, 211885, 237305, 423770, 474610, 847540, 949220, 2092877, 4185754, 8371508, 10464385, 20928770, 41857540, 64879187, 129758374, 259516748, 324395935, 648791870, 1297583740]

約数ペア:

[(1, 1297583740), (2, 648791870), (4, 324395935), (5, 259516748), (10, 129758374), (20, 64879187), (31, 41857540), (62, 20928770), (124, 10464385), (155, 8371508), (310, 4185754), (620, 2092877), (1367, 949220), (1531, 847540), (2734, 474610), (3062, 423770), (5468, 237305), (6124, 211885), (6835, 189844), (7655, 169508), (13670, 94922), (15310, 84754), (27340, 47461), (30620, 42377)]