71610980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{511507}}^1$

素因数の和:511523

約数の個数: 24

約数和(自身を含む): 171866688

約数和(自身を除く): 100255708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 511507, 1023014, 2046028, 2557535, 3580549, 5115070, 7161098, 10230140, 14322196, 17902745, 35805490, 71610980]

約数ペア:

[(1, 71610980), (2, 35805490), (4, 17902745), (5, 14322196), (7, 10230140), (10, 7161098), (14, 5115070), (20, 3580549), (28, 2557535), (35, 2046028), (70, 1023014), (140, 511507)]