1100000

素因数分解:

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

素因数の和:46

約数の個数: 72

約数和(自身を含む): 2952936

約数和(自身を除く): 1852936

約数列:

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

約数ペア:

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