201818000

素因数分解:

$2^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:202

約数の個数: 160

約数和(自身を含む): 529251840

約数和(自身を除く): 327433840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 47, 50, 76, 80, 94, 95, 100, 113, 125, 152, 188, 190, 200, 226, 235, 250, 304, 376, 380, 400, 452, 470, 475, 500, 565, 752, 760, 893, 904, 940, 950, 1000, 1130, 1175, 1520, 1786, 1808, 1880, 1900, 2000, 2147, 2260, 2350, 2375, 2825, 3572, 3760, 3800, 4294, 4465, 4520, 4700, 4750, 5311, 5650, 5875, 7144, 7600, 8588, 8930, 9040, 9400, 9500, 10622, 10735, 11300, 11750, 14125, 14288, 17176, 17860, 18800, 19000, 21244, 21470, 22325, 22600, 23500, 26555, 28250, 34352, 35720, 38000, 42488, 42940, 44650, 45200, 47000, 53110, 53675, 56500, 71440, 84976, 85880, 89300, 94000, 100909, 106220, 107350, 111625, 113000, 132775, 171760, 178600, 201818, 212440, 214700, 223250, 226000, 265550, 268375, 357200, 403636, 424880, 429400, 446500, 504545, 531100, 536750, 663875, 807272, 858800, 893000, 1009090, 1062200, 1073500, 1327750, 1614544, 1786000, 2018180, 2124400, 2147000, 2522725, 2655500, 4036360, 4294000, 5045450, 5311000, 8072720, 10090900, 10622000, 12613625, 20181800, 25227250, 40363600, 50454500, 100909000, 201818000]

約数ペア:

[(1, 201818000), (2, 100909000), (4, 50454500), (5, 40363600), (8, 25227250), (10, 20181800), (16, 12613625), (19, 10622000), (20, 10090900), (25, 8072720), (38, 5311000), (40, 5045450), (47, 4294000), (50, 4036360), (76, 2655500), (80, 2522725), (94, 2147000), (95, 2124400), (100, 2018180), (113, 1786000), (125, 1614544), (152, 1327750), (188, 1073500), (190, 1062200), (200, 1009090), (226, 893000), (235, 858800), (250, 807272), (304, 663875), (376, 536750), (380, 531100), (400, 504545), (452, 446500), (470, 429400), (475, 424880), (500, 403636), (565, 357200), (752, 268375), (760, 265550), (893, 226000), (904, 223250), (940, 214700), (950, 212440), (1000, 201818), (1130, 178600), (1175, 171760), (1520, 132775), (1786, 113000), (1808, 111625), (1880, 107350), (1900, 106220), (2000, 100909), (2147, 94000), (2260, 89300), (2350, 85880), (2375, 84976), (2825, 71440), (3572, 56500), (3760, 53675), (3800, 53110), (4294, 47000), (4465, 45200), (4520, 44650), (4700, 42940), (4750, 42488), (5311, 38000), (5650, 35720), (5875, 34352), (7144, 28250), (7600, 26555), (8588, 23500), (8930, 22600), (9040, 22325), (9400, 21470), (9500, 21244), (10622, 19000), (10735, 18800), (11300, 17860), (11750, 17176), (14125, 14288)]