68486740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{489191}}^1$

素因数の和:489207

約数の個数: 24

約数和(自身を含む): 164368512

約数和(自身を除く): 95881772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 489191, 978382, 1956764, 2445955, 3424337, 4891910, 6848674, 9783820, 13697348, 17121685, 34243370, 68486740]

約数ペア:

[(1, 68486740), (2, 34243370), (4, 17121685), (5, 13697348), (7, 9783820), (10, 6848674), (14, 4891910), (20, 3424337), (28, 2445955), (35, 1956764), (70, 978382), (140, 489191)]