2989713020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{207331}}^1$

素因数の和:207450

約数の個数: 48

約数和(自身を含む): 7245009408

約数和(自身を除く): 4255296388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 3605, 7210, 14420, 207331, 414662, 829324, 1036655, 1451317, 2073310, 2902634, 4146620, 5805268, 7256585, 14513170, 21355093, 29026340, 42710186, 85420372, 106775465, 149485651, 213550930, 298971302, 427101860, 597942604, 747428255, 1494856510, 2989713020]

約数ペア:

[(1, 2989713020), (2, 1494856510), (4, 747428255), (5, 597942604), (7, 427101860), (10, 298971302), (14, 213550930), (20, 149485651), (28, 106775465), (35, 85420372), (70, 42710186), (103, 29026340), (140, 21355093), (206, 14513170), (412, 7256585), (515, 5805268), (721, 4146620), (1030, 2902634), (1442, 2073310), (2060, 1451317), (2884, 1036655), (3605, 829324), (7210, 414662), (14420, 207331)]