199973710

素因数分解:

$2^1\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{19819}}^1$

素因数の和:20835

約数の個数: 16

約数和(自身を含む): 360327600

約数和(自身を除く): 160353890

約数列:

[1, 2, 5, 10, 1009, 2018, 5045, 10090, 19819, 39638, 99095, 198190, 19997371, 39994742, 99986855, 199973710]

約数ペア:

[(1, 199973710), (2, 99986855), (5, 39994742), (10, 19997371), (1009, 198190), (2018, 99095), (5045, 39638), (10090, 19819)]