208626180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1979}}^1$

素因数の和:2249

約数の個数: 96

約数和(自身を含む): 670602240

約数和(自身を除く): 461976060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 251, 420, 502, 753, 1004, 1255, 1506, 1757, 1979, 2510, 3012, 3514, 3765, 3958, 5020, 5271, 5937, 7028, 7530, 7916, 8785, 9895, 10542, 11874, 13853, 15060, 17570, 19790, 21084, 23748, 26355, 27706, 29685, 35140, 39580, 41559, 52710, 55412, 59370, 69265, 83118, 105420, 118740, 138530, 166236, 207795, 277060, 415590, 496729, 831180, 993458, 1490187, 1986916, 2483645, 2980374, 3477103, 4967290, 5960748, 6954206, 7450935, 9934580, 10431309, 13908412, 14901870, 17385515, 20862618, 29803740, 34771030, 41725236, 52156545, 69542060, 104313090, 208626180]

約数ペア:

[(1, 208626180), (2, 104313090), (3, 69542060), (4, 52156545), (5, 41725236), (6, 34771030), (7, 29803740), (10, 20862618), (12, 17385515), (14, 14901870), (15, 13908412), (20, 10431309), (21, 9934580), (28, 7450935), (30, 6954206), (35, 5960748), (42, 4967290), (60, 3477103), (70, 2980374), (84, 2483645), (105, 1986916), (140, 1490187), (210, 993458), (251, 831180), (420, 496729), (502, 415590), (753, 277060), (1004, 207795), (1255, 166236), (1506, 138530), (1757, 118740), (1979, 105420), (2510, 83118), (3012, 69265), (3514, 59370), (3765, 55412), (3958, 52710), (5020, 41559), (5271, 39580), (5937, 35140), (7028, 29685), (7530, 27706), (7916, 26355), (8785, 23748), (9895, 21084), (10542, 19790), (11874, 17570), (13853, 15060)]