200381680

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:586

約数の個数: 80

約数和(自身を含む): 480504960

約数和(自身を除く): 280123280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 137, 188, 235, 274, 376, 389, 470, 548, 685, 752, 778, 940, 1096, 1370, 1556, 1880, 1945, 2192, 2740, 3112, 3760, 3890, 5480, 6224, 6439, 7780, 10960, 12878, 15560, 18283, 25756, 31120, 32195, 36566, 51512, 53293, 64390, 73132, 91415, 103024, 106586, 128780, 146264, 182830, 213172, 257560, 266465, 292528, 365660, 426344, 515120, 532930, 731320, 852688, 1065860, 1462640, 2131720, 2504771, 4263440, 5009542, 10019084, 12523855, 20038168, 25047710, 40076336, 50095420, 100190840, 200381680]

約数ペア:

[(1, 200381680), (2, 100190840), (4, 50095420), (5, 40076336), (8, 25047710), (10, 20038168), (16, 12523855), (20, 10019084), (40, 5009542), (47, 4263440), (80, 2504771), (94, 2131720), (137, 1462640), (188, 1065860), (235, 852688), (274, 731320), (376, 532930), (389, 515120), (470, 426344), (548, 365660), (685, 292528), (752, 266465), (778, 257560), (940, 213172), (1096, 182830), (1370, 146264), (1556, 128780), (1880, 106586), (1945, 103024), (2192, 91415), (2740, 73132), (3112, 64390), (3760, 53293), (3890, 51512), (5480, 36566), (6224, 32195), (6439, 31120), (7780, 25756), (10960, 18283), (12878, 15560)]