204423910

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{287921}}^1$

素因数の和:287999

約数の個数: 16

約数和(自身を含む): 373146912

約数和(自身を除く): 168723002

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 287921, 575842, 1439605, 2879210, 20442391, 40884782, 102211955, 204423910]

約数ペア:

[(1, 204423910), (2, 102211955), (5, 40884782), (10, 20442391), (71, 2879210), (142, 1439605), (355, 575842), (710, 287921)]