68818000

素因数分解:

$2^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1811}}^1$

素因数の和:1853

約数の個数: 80

約数和(自身を含む): 175256640

約数和(自身を除く): 106438640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 125, 152, 190, 200, 250, 304, 380, 400, 475, 500, 760, 950, 1000, 1520, 1811, 1900, 2000, 2375, 3622, 3800, 4750, 7244, 7600, 9055, 9500, 14488, 18110, 19000, 28976, 34409, 36220, 38000, 45275, 68818, 72440, 90550, 137636, 144880, 172045, 181100, 226375, 275272, 344090, 362200, 452750, 550544, 688180, 724400, 860225, 905500, 1376360, 1720450, 1811000, 2752720, 3440900, 3622000, 4301125, 6881800, 8602250, 13763600, 17204500, 34409000, 68818000]

約数ペア:

[(1, 68818000), (2, 34409000), (4, 17204500), (5, 13763600), (8, 8602250), (10, 6881800), (16, 4301125), (19, 3622000), (20, 3440900), (25, 2752720), (38, 1811000), (40, 1720450), (50, 1376360), (76, 905500), (80, 860225), (95, 724400), (100, 688180), (125, 550544), (152, 452750), (190, 362200), (200, 344090), (250, 275272), (304, 226375), (380, 181100), (400, 172045), (475, 144880), (500, 137636), (760, 90550), (950, 72440), (1000, 68818), (1520, 45275), (1811, 38000), (1900, 36220), (2000, 34409), (2375, 28976), (3622, 19000), (3800, 18110), (4750, 14488), (7244, 9500), (7600, 9055)]