275000

素因数分解:

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

素因数の和:42

約数の個数: 48

約数和(自身を含む): 703080

約数和(自身を除く): 428080

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, 25000, 27500, 34375, 55000, 68750, 137500, 275000]

約数ペア:

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