71615740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{511541}}^1$

素因数の和:511557

約数の個数: 24

約数和(自身を含む): 171878112

約数和(自身を除く): 100262372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 511541, 1023082, 2046164, 2557705, 3580787, 5115410, 7161574, 10230820, 14323148, 17903935, 35807870, 71615740]

約数ペア:

[(1, 71615740), (2, 35807870), (4, 17903935), (5, 14323148), (7, 10230820), (10, 7161574), (14, 5115410), (20, 3580787), (28, 2557705), (35, 2046164), (70, 1023082), (140, 511541)]