99979400

素因数分解:

$2^3\times 5^2\times {\mathrm{499897}}^1$

素因数の和:499913

約数の個数: 24

約数和(自身を含む): 232452570

約数和(自身を除く): 132473170

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 499897, 999794, 1999588, 2499485, 3999176, 4998970, 9997940, 12497425, 19995880, 24994850, 49989700, 99979400]

約数ペア:

[(1, 99979400), (2, 49989700), (4, 24994850), (5, 19995880), (8, 12497425), (10, 9997940), (20, 4998970), (25, 3999176), (40, 2499485), (50, 1999588), (100, 999794), (200, 499897)]