355682740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2540591}}^1$

素因数の和:2540607

約数の個数: 24

約数和(自身を含む): 853638912

約数和(自身を除く): 497956172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2540591, 5081182, 10162364, 12702955, 17784137, 25405910, 35568274, 50811820, 71136548, 88920685, 177841370, 355682740]

約数ペア:

[(1, 355682740), (2, 177841370), (4, 88920685), (5, 71136548), (7, 50811820), (10, 35568274), (14, 25405910), (20, 17784137), (28, 12702955), (35, 10162364), (70, 5081182), (140, 2540591)]