2440139380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4079}}^1\times {\mathrm{4273}}^1$

素因数の和:8368

約数の個数: 48

約数和(自身を含む): 5859141120

約数和(自身を除く): 3419001740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4079, 4273, 8158, 8546, 16316, 17092, 20395, 21365, 28553, 29911, 40790, 42730, 57106, 59822, 81580, 85460, 114212, 119644, 142765, 149555, 285530, 299110, 571060, 598220, 17429567, 34859134, 69718268, 87147835, 122006969, 174295670, 244013938, 348591340, 488027876, 610034845, 1220069690, 2440139380]

約数ペア:

[(1, 2440139380), (2, 1220069690), (4, 610034845), (5, 488027876), (7, 348591340), (10, 244013938), (14, 174295670), (20, 122006969), (28, 87147835), (35, 69718268), (70, 34859134), (140, 17429567), (4079, 598220), (4273, 571060), (8158, 299110), (8546, 285530), (16316, 149555), (17092, 142765), (20395, 119644), (21365, 114212), (28553, 85460), (29911, 81580), (40790, 59822), (42730, 57106)]