2744500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{499}}^1$

素因数の和:529

約数の個数: 48

約数和(自身を含む): 6552000

約数和(自身を除く): 3807500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 499, 500, 550, 998, 1100, 1375, 1996, 2495, 2750, 4990, 5489, 5500, 9980, 10978, 12475, 21956, 24950, 27445, 49900, 54890, 62375, 109780, 124750, 137225, 249500, 274450, 548900, 686125, 1372250, 2744500]

約数ペア:

[(1, 2744500), (2, 1372250), (4, 686125), (5, 548900), (10, 274450), (11, 249500), (20, 137225), (22, 124750), (25, 109780), (44, 62375), (50, 54890), (55, 49900), (100, 27445), (110, 24950), (125, 21956), (220, 12475), (250, 10978), (275, 9980), (499, 5500), (500, 5489), (550, 4990), (998, 2750), (1100, 2495), (1375, 1996)]