71355340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509681}}^1$

素因数の和:509697

約数の個数: 24

約数和(自身を含む): 171253152

約数和(自身を除く): 99897812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509681, 1019362, 2038724, 2548405, 3567767, 5096810, 7135534, 10193620, 14271068, 17838835, 35677670, 71355340]

約数ペア:

[(1, 71355340), (2, 35677670), (4, 17838835), (5, 14271068), (7, 10193620), (10, 7135534), (14, 5096810), (20, 3567767), (28, 2548405), (35, 2038724), (70, 1019362), (140, 509681)]