86868740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{620491}}^1$

素因数の和:620507

約数の個数: 24

約数和(自身を含む): 208485312

約数和(自身を除く): 121616572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 620491, 1240982, 2481964, 3102455, 4343437, 6204910, 8686874, 12409820, 17373748, 21717185, 43434370, 86868740]

約数ペア:

[(1, 86868740), (2, 43434370), (4, 21717185), (5, 17373748), (7, 12409820), (10, 8686874), (14, 6204910), (20, 4343437), (28, 3102455), (35, 2481964), (70, 1240982), (140, 620491)]