1375000

素因数分解:

$2^3\times 5^6\times {\mathrm{11}}^1$

素因数の和:47

約数の個数: 56

約数和(自身を含む): 3515580

約数和(自身を除く): 2140580

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 440, 500, 550, 625, 1000, 1100, 1250, 1375, 2200, 2500, 2750, 3125, 5000, 5500, 6250, 6875, 11000, 12500, 13750, 15625, 25000, 27500, 31250, 34375, 55000, 62500, 68750, 125000, 137500, 171875, 275000, 343750, 687500, 1375000]

約数ペア:

[(1, 1375000), (2, 687500), (4, 343750), (5, 275000), (8, 171875), (10, 137500), (11, 125000), (20, 68750), (22, 62500), (25, 55000), (40, 34375), (44, 31250), (50, 27500), (55, 25000), (88, 15625), (100, 13750), (110, 12500), (125, 11000), (200, 6875), (220, 6250), (250, 5500), (275, 5000), (440, 3125), (500, 2750), (550, 2500), (625, 2200), (1000, 1375), (1100, 1250)]