205509710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{25981}}^1$

素因数の和:26108

約数の個数: 32

約数和(自身を含む): 426520512

約数和(自身を除く): 221010802

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 113, 226, 565, 791, 1130, 1582, 3955, 7910, 25981, 51962, 129905, 181867, 259810, 363734, 909335, 1818670, 2935853, 5871706, 14679265, 20550971, 29358530, 41101942, 102754855, 205509710]

約数ペア:

[(1, 205509710), (2, 102754855), (5, 41101942), (7, 29358530), (10, 20550971), (14, 14679265), (35, 5871706), (70, 2935853), (113, 1818670), (226, 909335), (565, 363734), (791, 259810), (1130, 181867), (1582, 129905), (3955, 51962), (7910, 25981)]