2249500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{409}}^1$

素因数の和:439

約数の個数: 48

約数和(自身を含む): 5372640

約数和(自身を除く): 3123140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 409, 500, 550, 818, 1100, 1375, 1636, 2045, 2750, 4090, 4499, 5500, 8180, 8998, 10225, 17996, 20450, 22495, 40900, 44990, 51125, 89980, 102250, 112475, 204500, 224950, 449900, 562375, 1124750, 2249500]

約数ペア:

[(1, 2249500), (2, 1124750), (4, 562375), (5, 449900), (10, 224950), (11, 204500), (20, 112475), (22, 102250), (25, 89980), (44, 51125), (50, 44990), (55, 40900), (100, 22495), (110, 20450), (125, 17996), (220, 10225), (250, 8998), (275, 8180), (409, 5500), (500, 4499), (550, 4090), (818, 2750), (1100, 2045), (1375, 1636)]