1992500

素因数分解:

$2^2\times 5^4\times {\mathrm{797}}^1$

素因数の和:821

約数の個数: 30

約数和(自身を含む): 4362666

約数和(自身を除く): 2370166

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 797, 1250, 1594, 2500, 3188, 3985, 7970, 15940, 19925, 39850, 79700, 99625, 199250, 398500, 498125, 996250, 1992500]

約数ペア:

[(1, 1992500), (2, 996250), (4, 498125), (5, 398500), (10, 199250), (20, 99625), (25, 79700), (50, 39850), (100, 19925), (125, 15940), (250, 7970), (500, 3985), (625, 3188), (797, 2500), (1250, 1594)]