681550

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:372

約数の個数: 24

約数和(自身を含む): 1301256

約数和(自身を除く): 619706

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 317, 430, 634, 1075, 1585, 2150, 3170, 7925, 13631, 15850, 27262, 68155, 136310, 340775, 681550]

約数ペア:

[(1, 681550), (2, 340775), (5, 136310), (10, 68155), (25, 27262), (43, 15850), (50, 13631), (86, 7925), (215, 3170), (317, 2150), (430, 1585), (634, 1075)]