68604340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{490031}}^1$

素因数の和:490047

約数の個数: 24

約数和(自身を含む): 164650752

約数和(自身を除く): 96046412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 490031, 980062, 1960124, 2450155, 3430217, 4900310, 6860434, 9800620, 13720868, 17151085, 34302170, 68604340]

約数ペア:

[(1, 68604340), (2, 34302170), (4, 17151085), (5, 13720868), (7, 9800620), (10, 6860434), (14, 4900310), (20, 3430217), (28, 2450155), (35, 1960124), (70, 980062), (140, 490031)]