139076980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{993407}}^1$

素因数の和:993423

約数の個数: 24

約数和(自身を含む): 333785088

約数和(自身を除く): 194708108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 993407, 1986814, 3973628, 4967035, 6953849, 9934070, 13907698, 19868140, 27815396, 34769245, 69538490, 139076980]

約数ペア:

[(1, 139076980), (2, 69538490), (4, 34769245), (5, 27815396), (7, 19868140), (10, 13907698), (14, 9934070), (20, 6953849), (28, 4967035), (35, 3973628), (70, 1986814), (140, 993407)]