999952820

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{442457}}^1$

素因数の和:442579

約数の個数: 24

約数和(自身を含む): 2118488904

約数和(自身を除く): 1118536084

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 442457, 884914, 1769828, 2212285, 4424570, 8849140, 49997641, 99995282, 199990564, 249988205, 499976410, 999952820]

約数ペア:

[(1, 999952820), (2, 499976410), (4, 249988205), (5, 199990564), (10, 99995282), (20, 49997641), (113, 8849140), (226, 4424570), (452, 2212285), (565, 1769828), (1130, 884914), (2260, 442457)]