491027380

素因数分解:

$2^2\times 5^1\times {\mathrm{4649}}^1\times {\mathrm{5281}}^1$

素因数の和:9939

約数の個数: 24

約数和(自身を含む): 1031574600

約数和(自身を除く): 540547220

約数列:

[1, 2, 4, 5, 10, 20, 4649, 5281, 9298, 10562, 18596, 21124, 23245, 26405, 46490, 52810, 92980, 105620, 24551369, 49102738, 98205476, 122756845, 245513690, 491027380]

約数ペア:

[(1, 491027380), (2, 245513690), (4, 122756845), (5, 98205476), (10, 49102738), (20, 24551369), (4649, 105620), (5281, 92980), (9298, 52810), (10562, 46490), (18596, 26405), (21124, 23245)]