139945820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{999613}}^1$

素因数の和:999629

約数の個数: 24

約数和(自身を含む): 335870304

約数和(自身を除く): 195924484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 999613, 1999226, 3998452, 4998065, 6997291, 9996130, 13994582, 19992260, 27989164, 34986455, 69972910, 139945820]

約数ペア:

[(1, 139945820), (2, 69972910), (4, 34986455), (5, 27989164), (7, 19992260), (10, 13994582), (14, 9996130), (20, 6997291), (28, 4998065), (35, 3998452), (70, 1999226), (140, 999613)]