90421700

素因数分解:

$2^2\times 5^2\times {\mathrm{904217}}^1$

素因数の和:904231

約数の個数: 18

約数和(自身を含む): 196215306

約数和(自身を除く): 105793606

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 904217, 1808434, 3616868, 4521085, 9042170, 18084340, 22605425, 45210850, 90421700]

約数ペア:

[(1, 90421700), (2, 45210850), (4, 22605425), (5, 18084340), (10, 9042170), (20, 4521085), (25, 3616868), (50, 1808434), (100, 904217)]