406788340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2905631}}^1$

素因数の和:2905647

約数の個数: 24

約数和(自身を含む): 976292352

約数和(自身を除く): 569504012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2905631, 5811262, 11622524, 14528155, 20339417, 29056310, 40678834, 58112620, 81357668, 101697085, 203394170, 406788340]

約数ペア:

[(1, 406788340), (2, 203394170), (4, 101697085), (5, 81357668), (7, 58112620), (10, 40678834), (14, 29056310), (20, 20339417), (28, 14528155), (35, 11622524), (70, 5811262), (140, 2905631)]