2015291390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{28789877}}^1$

素因数の和:28789891

約数の個数: 16

約数和(自身を含む): 4145742432

約数和(自身を除く): 2130451042

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 28789877, 57579754, 143949385, 201529139, 287898770, 403058278, 1007645695, 2015291390]

約数ペア:

[(1, 2015291390), (2, 1007645695), (5, 403058278), (7, 287898770), (10, 201529139), (14, 143949385), (35, 57579754), (70, 28789877)]