398810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2099}}^1$

素因数の和:2125

約数の個数: 16

約数和(自身を含む): 756000

約数和(自身を除く): 357190

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 2099, 4198, 10495, 20990, 39881, 79762, 199405, 398810]

約数ペア:

[(1, 398810), (2, 199405), (5, 79762), (10, 39881), (19, 20990), (38, 10495), (95, 4198), (190, 2099)]