2100609850

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{385433}}^1$

素因数の和:385554

約数の個数: 24

約数和(自身を含む): 3942989820

約数和(自身を除く): 1842379970

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 545, 1090, 2725, 5450, 385433, 770866, 1927165, 3854330, 9635825, 19271650, 42012197, 84024394, 210060985, 420121970, 1050304925, 2100609850]

約数ペア:

[(1, 2100609850), (2, 1050304925), (5, 420121970), (10, 210060985), (25, 84024394), (50, 42012197), (109, 19271650), (218, 9635825), (545, 3854330), (1090, 1927165), (2725, 770866), (5450, 385433)]