202237820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{142421}}^1$

素因数の和:142501

約数の個数: 24

約数和(自身を含む): 430684128

約数和(自身を除く): 228446308

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 142421, 284842, 569684, 712105, 1424210, 2848420, 10111891, 20223782, 40447564, 50559455, 101118910, 202237820]

約数ペア:

[(1, 202237820), (2, 101118910), (4, 50559455), (5, 40447564), (10, 20223782), (20, 10111891), (71, 2848420), (142, 1424210), (284, 712105), (355, 569684), (710, 284842), (1420, 142421)]