208425840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1279}}^1$

素因数の和:1399

約数の個数: 160

約数和(自身を含む): 746618880

約数和(自身を除く): 538193040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 97, 105, 112, 120, 140, 168, 194, 210, 240, 280, 291, 336, 388, 420, 485, 560, 582, 679, 776, 840, 970, 1164, 1279, 1358, 1455, 1552, 1680, 1940, 2037, 2328, 2558, 2716, 2910, 3395, 3837, 3880, 4074, 4656, 5116, 5432, 5820, 6395, 6790, 7674, 7760, 8148, 8953, 10185, 10232, 10864, 11640, 12790, 13580, 15348, 16296, 17906, 19185, 20370, 20464, 23280, 25580, 26859, 27160, 30696, 32592, 35812, 38370, 40740, 44765, 51160, 53718, 54320, 61392, 71624, 76740, 81480, 89530, 102320, 107436, 124063, 134295, 143248, 153480, 162960, 179060, 214872, 248126, 268590, 306960, 358120, 372189, 429744, 496252, 537180, 620315, 716240, 744378, 868441, 992504, 1074360, 1240630, 1488756, 1736882, 1860945, 1985008, 2148720, 2481260, 2605323, 2977512, 3473764, 3721890, 4342205, 4962520, 5210646, 5955024, 6947528, 7443780, 8684410, 9925040, 10421292, 13026615, 13895056, 14887560, 17368820, 20842584, 26053230, 29775120, 34737640, 41685168, 52106460, 69475280, 104212920, 208425840]

約数ペア:

[(1, 208425840), (2, 104212920), (3, 69475280), (4, 52106460), (5, 41685168), (6, 34737640), (7, 29775120), (8, 26053230), (10, 20842584), (12, 17368820), (14, 14887560), (15, 13895056), (16, 13026615), (20, 10421292), (21, 9925040), (24, 8684410), (28, 7443780), (30, 6947528), (35, 5955024), (40, 5210646), (42, 4962520), (48, 4342205), (56, 3721890), (60, 3473764), (70, 2977512), (80, 2605323), (84, 2481260), (97, 2148720), (105, 1985008), (112, 1860945), (120, 1736882), (140, 1488756), (168, 1240630), (194, 1074360), (210, 992504), (240, 868441), (280, 744378), (291, 716240), (336, 620315), (388, 537180), (420, 496252), (485, 429744), (560, 372189), (582, 358120), (679, 306960), (776, 268590), (840, 248126), (970, 214872), (1164, 179060), (1279, 162960), (1358, 153480), (1455, 143248), (1552, 134295), (1680, 124063), (1940, 107436), (2037, 102320), (2328, 89530), (2558, 81480), (2716, 76740), (2910, 71624), (3395, 61392), (3837, 54320), (3880, 53718), (4074, 51160), (4656, 44765), (5116, 40740), (5432, 38370), (5820, 35812), (6395, 32592), (6790, 30696), (7674, 27160), (7760, 26859), (8148, 25580), (8953, 23280), (10185, 20464), (10232, 20370), (10864, 19185), (11640, 17906), (12790, 16296), (13580, 15348)]