2195600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{499}}^1$

素因数の和:528

約数の個数: 60

約数和(自身を含む): 5766000

約数和(自身を除く): 3570400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 499, 550, 880, 998, 1100, 1996, 2200, 2495, 3992, 4400, 4990, 5489, 7984, 9980, 10978, 12475, 19960, 21956, 24950, 27445, 39920, 43912, 49900, 54890, 87824, 99800, 109780, 137225, 199600, 219560, 274450, 439120, 548900, 1097800, 2195600]

約数ペア:

[(1, 2195600), (2, 1097800), (4, 548900), (5, 439120), (8, 274450), (10, 219560), (11, 199600), (16, 137225), (20, 109780), (22, 99800), (25, 87824), (40, 54890), (44, 49900), (50, 43912), (55, 39920), (80, 27445), (88, 24950), (100, 21956), (110, 19960), (176, 12475), (200, 10978), (220, 9980), (275, 7984), (400, 5489), (440, 4990), (499, 4400), (550, 3992), (880, 2495), (998, 2200), (1100, 1996)]