131579210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{268529}}^1$

素因数の和:268550

約数の個数: 24

約数和(自身を含む): 275511780

約数和(自身を除く): 143932570

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 268529, 537058, 1342645, 1879703, 2685290, 3759406, 9398515, 13157921, 18797030, 26315842, 65789605, 131579210]

約数ペア:

[(1, 131579210), (2, 65789605), (5, 26315842), (7, 18797030), (10, 13157921), (14, 9398515), (35, 3759406), (49, 2685290), (70, 1879703), (98, 1342645), (245, 537058), (490, 268529)]