1338156740

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1\times {\mathrm{4079}}^1$

素因数の和:4484

約数の個数: 48

約数和(自身を含む): 2878848000

約数和(自身を除く): 1540691260

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 349, 470, 698, 940, 1396, 1745, 3490, 4079, 6980, 8158, 16316, 16403, 20395, 32806, 40790, 65612, 81580, 82015, 164030, 191713, 328060, 383426, 766852, 958565, 1423571, 1917130, 2847142, 3834260, 5694284, 7117855, 14235710, 28471420, 66907837, 133815674, 267631348, 334539185, 669078370, 1338156740]

約数ペア:

[(1, 1338156740), (2, 669078370), (4, 334539185), (5, 267631348), (10, 133815674), (20, 66907837), (47, 28471420), (94, 14235710), (188, 7117855), (235, 5694284), (349, 3834260), (470, 2847142), (698, 1917130), (940, 1423571), (1396, 958565), (1745, 766852), (3490, 383426), (4079, 328060), (6980, 191713), (8158, 164030), (16316, 82015), (16403, 81580), (20395, 65612), (32806, 40790)]