1045000

素因数分解:

$2^3\times 5^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:56

約数の個数: 80

約数和(自身を含む): 2811600

約数和(自身を除く): 1766600

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 25, 38, 40, 44, 50, 55, 76, 88, 95, 100, 110, 125, 152, 190, 200, 209, 220, 250, 275, 380, 418, 440, 475, 500, 550, 625, 760, 836, 950, 1000, 1045, 1100, 1250, 1375, 1672, 1900, 2090, 2200, 2375, 2500, 2750, 3800, 4180, 4750, 5000, 5225, 5500, 6875, 8360, 9500, 10450, 11000, 11875, 13750, 19000, 20900, 23750, 26125, 27500, 41800, 47500, 52250, 55000, 95000, 104500, 130625, 209000, 261250, 522500, 1045000]

約数ペア:

[(1, 1045000), (2, 522500), (4, 261250), (5, 209000), (8, 130625), (10, 104500), (11, 95000), (19, 55000), (20, 52250), (22, 47500), (25, 41800), (38, 27500), (40, 26125), (44, 23750), (50, 20900), (55, 19000), (76, 13750), (88, 11875), (95, 11000), (100, 10450), (110, 9500), (125, 8360), (152, 6875), (190, 5500), (200, 5225), (209, 5000), (220, 4750), (250, 4180), (275, 3800), (380, 2750), (418, 2500), (440, 2375), (475, 2200), (500, 2090), (550, 1900), (625, 1672), (760, 1375), (836, 1250), (950, 1100), (1000, 1045)]