2200000

素因数分解:

$2^6\times 5^5\times {\mathrm{11}}^1$

素因数の和:48

約数の個数: 84

約数和(自身を含む): 5952744

約数和(自身を除く): 3752744

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 125, 160, 176, 200, 220, 250, 275, 320, 352, 400, 440, 500, 550, 625, 704, 800, 880, 1000, 1100, 1250, 1375, 1600, 1760, 2000, 2200, 2500, 2750, 3125, 3520, 4000, 4400, 5000, 5500, 6250, 6875, 8000, 8800, 10000, 11000, 12500, 13750, 17600, 20000, 22000, 25000, 27500, 34375, 40000, 44000, 50000, 55000, 68750, 88000, 100000, 110000, 137500, 200000, 220000, 275000, 440000, 550000, 1100000, 2200000]

約数ペア:

[(1, 2200000), (2, 1100000), (4, 550000), (5, 440000), (8, 275000), (10, 220000), (11, 200000), (16, 137500), (20, 110000), (22, 100000), (25, 88000), (32, 68750), (40, 55000), (44, 50000), (50, 44000), (55, 40000), (64, 34375), (80, 27500), (88, 25000), (100, 22000), (110, 20000), (125, 17600), (160, 13750), (176, 12500), (200, 11000), (220, 10000), (250, 8800), (275, 8000), (320, 6875), (352, 6250), (400, 5500), (440, 5000), (500, 4400), (550, 4000), (625, 3520), (704, 3125), (800, 2750), (880, 2500), (1000, 2200), (1100, 2000), (1250, 1760), (1375, 1600)]