99121700

素因数分解:

$2^2\times 5^2\times {\mathrm{991217}}^1$

素因数の和:991231

約数の個数: 18

約数和(自身を含む): 215094306

約数和(自身を除く): 115972606

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 991217, 1982434, 3964868, 4956085, 9912170, 19824340, 24780425, 49560850, 99121700]

約数ペア:

[(1, 99121700), (2, 49560850), (4, 24780425), (5, 19824340), (10, 9912170), (20, 4956085), (25, 3964868), (50, 1982434), (100, 991217)]