68257490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{139301}}^1$

素因数の和:139322

約数の個数: 24

約数和(自身を含む): 142923852

約数和(自身を除く): 74666362

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 139301, 278602, 696505, 975107, 1393010, 1950214, 4875535, 6825749, 9751070, 13651498, 34128745, 68257490]

約数ペア:

[(1, 68257490), (2, 34128745), (5, 13651498), (7, 9751070), (10, 6825749), (14, 4875535), (35, 1950214), (49, 1393010), (70, 975107), (98, 696505), (245, 278602), (490, 139301)]