204955520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4159}}^1$

素因数の和:4196

約数の個数: 128

約数和(自身を含む): 611020800

約数和(自身を除く): 406065280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1408, 1540, 1760, 2240, 2464, 3080, 3520, 4159, 4480, 4928, 6160, 7040, 8318, 9856, 12320, 16636, 20795, 24640, 29113, 33272, 41590, 45749, 49280, 58226, 66544, 83180, 91498, 116452, 133088, 145565, 166360, 182996, 228745, 232904, 266176, 291130, 320243, 332720, 365992, 457490, 465808, 532352, 582260, 640486, 665440, 731984, 914980, 931616, 1164520, 1280972, 1330880, 1463968, 1601215, 1829960, 1863232, 2329040, 2561944, 2661760, 2927936, 3202430, 3659920, 3726464, 4658080, 5123888, 5855872, 6404860, 7319840, 9316160, 10247776, 12809720, 14639680, 18632320, 20495552, 25619440, 29279360, 40991104, 51238880, 102477760, 204955520]

約数ペア:

[(1, 204955520), (2, 102477760), (4, 51238880), (5, 40991104), (7, 29279360), (8, 25619440), (10, 20495552), (11, 18632320), (14, 14639680), (16, 12809720), (20, 10247776), (22, 9316160), (28, 7319840), (32, 6404860), (35, 5855872), (40, 5123888), (44, 4658080), (55, 3726464), (56, 3659920), (64, 3202430), (70, 2927936), (77, 2661760), (80, 2561944), (88, 2329040), (110, 1863232), (112, 1829960), (128, 1601215), (140, 1463968), (154, 1330880), (160, 1280972), (176, 1164520), (220, 931616), (224, 914980), (280, 731984), (308, 665440), (320, 640486), (352, 582260), (385, 532352), (440, 465808), (448, 457490), (560, 365992), (616, 332720), (640, 320243), (704, 291130), (770, 266176), (880, 232904), (896, 228745), (1120, 182996), (1232, 166360), (1408, 145565), (1540, 133088), (1760, 116452), (2240, 91498), (2464, 83180), (3080, 66544), (3520, 58226), (4159, 49280), (4480, 45749), (4928, 41590), (6160, 33272), (7040, 29113), (8318, 24640), (9856, 20795), (12320, 16636)]