78062740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{557591}}^1$

素因数の和:557607

約数の個数: 24

約数和(自身を含む): 187350912

約数和(自身を除く): 109288172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 557591, 1115182, 2230364, 2787955, 3903137, 5575910, 7806274, 11151820, 15612548, 19515685, 39031370, 78062740]

約数ペア:

[(1, 78062740), (2, 39031370), (4, 19515685), (5, 15612548), (7, 11151820), (10, 7806274), (14, 5575910), (20, 3903137), (28, 2787955), (35, 2230364), (70, 1115182), (140, 557591)]