6990220

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1931}}^1$

素因数の和:2121

約数の個数: 24

約数和(自身を含む): 14768208

約数和(自身を除く): 7777988

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 1931, 3620, 3862, 7724, 9655, 19310, 38620, 349511, 699022, 1398044, 1747555, 3495110, 6990220]

約数ペア:

[(1, 6990220), (2, 3495110), (4, 1747555), (5, 1398044), (10, 699022), (20, 349511), (181, 38620), (362, 19310), (724, 9655), (905, 7724), (1810, 3862), (1931, 3620)]