2492500

素因数分解:

$2^2\times 5^4\times {\mathrm{997}}^1$

素因数の和:1021

約数の個数: 30

約数和(自身を含む): 5456066

約数和(自身を除く): 2963566

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 997, 1250, 1994, 2500, 3988, 4985, 9970, 19940, 24925, 49850, 99700, 124625, 249250, 498500, 623125, 1246250, 2492500]

約数ペア:

[(1, 2492500), (2, 1246250), (4, 623125), (5, 498500), (10, 249250), (20, 124625), (25, 99700), (50, 49850), (100, 24925), (125, 19940), (250, 9970), (500, 4985), (625, 3988), (997, 2500), (1250, 1994)]