992500

素因数分解:

$2^2\times 5^4\times {\mathrm{397}}^1$

素因数の和:421

約数の個数: 30

約数和(自身を含む): 2175866

約数和(自身を除く): 1183366

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 397, 500, 625, 794, 1250, 1588, 1985, 2500, 3970, 7940, 9925, 19850, 39700, 49625, 99250, 198500, 248125, 496250, 992500]

約数ペア:

[(1, 992500), (2, 496250), (4, 248125), (5, 198500), (10, 99250), (20, 49625), (25, 39700), (50, 19850), (100, 9925), (125, 7940), (250, 3970), (397, 2500), (500, 1985), (625, 1588), (794, 1250)]