203886380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{328849}}^1$

素因数の和:328889

約数の個数: 24

約数和(自身を含む): 441974400

約数和(自身を除く): 238088020

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 328849, 657698, 1315396, 1644245, 3288490, 6576980, 10194319, 20388638, 40777276, 50971595, 101943190, 203886380]

約数ペア:

[(1, 203886380), (2, 101943190), (4, 50971595), (5, 40777276), (10, 20388638), (20, 10194319), (31, 6576980), (62, 3288490), (124, 1644245), (155, 1315396), (310, 657698), (620, 328849)]