68786690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{140381}}^1$

素因数の和:140402

約数の個数: 24

約数和(自身を含む): 144031932

約数和(自身を除く): 75245242

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 140381, 280762, 701905, 982667, 1403810, 1965334, 4913335, 6878669, 9826670, 13757338, 34393345, 68786690]

約数ペア:

[(1, 68786690), (2, 34393345), (5, 13757338), (7, 9826670), (10, 6878669), (14, 4913335), (35, 1965334), (49, 1403810), (70, 982667), (98, 701905), (245, 280762), (490, 140381)]