2019901870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{28855741}}^1$

素因数の和:28855755

約数の個数: 16

約数和(自身を含む): 4155226848

約数和(自身を除く): 2135324978

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 28855741, 57711482, 144278705, 201990187, 288557410, 403980374, 1009950935, 2019901870]

約数ペア:

[(1, 2019901870), (2, 1009950935), (5, 403980374), (7, 288557410), (10, 201990187), (14, 144278705), (35, 57711482), (70, 28855741)]