902000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1$

素因数の和:75

約数の個数: 80

約数和(自身を含む): 2437344

約数和(自身を除く): 1535344

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 41, 44, 50, 55, 80, 82, 88, 100, 110, 125, 164, 176, 200, 205, 220, 250, 275, 328, 400, 410, 440, 451, 500, 550, 656, 820, 880, 902, 1000, 1025, 1100, 1375, 1640, 1804, 2000, 2050, 2200, 2255, 2750, 3280, 3608, 4100, 4400, 4510, 5125, 5500, 7216, 8200, 9020, 10250, 11000, 11275, 16400, 18040, 20500, 22000, 22550, 36080, 41000, 45100, 56375, 82000, 90200, 112750, 180400, 225500, 451000, 902000]

約数ペア:

[(1, 902000), (2, 451000), (4, 225500), (5, 180400), (8, 112750), (10, 90200), (11, 82000), (16, 56375), (20, 45100), (22, 41000), (25, 36080), (40, 22550), (41, 22000), (44, 20500), (50, 18040), (55, 16400), (80, 11275), (82, 11000), (88, 10250), (100, 9020), (110, 8200), (125, 7216), (164, 5500), (176, 5125), (200, 4510), (205, 4400), (220, 4100), (250, 3608), (275, 3280), (328, 2750), (400, 2255), (410, 2200), (440, 2050), (451, 2000), (500, 1804), (550, 1640), (656, 1375), (820, 1100), (880, 1025), (902, 1000)]