201911920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{12433}}^1$

素因数の和:12482

約数の個数: 80

約数和(自身を含む): 555053760

約数和(自身を除く): 353141840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 2030, 2320, 3248, 4060, 8120, 12433, 16240, 24866, 49732, 62165, 87031, 99464, 124330, 174062, 198928, 248660, 348124, 360557, 435155, 497320, 696248, 721114, 870310, 994640, 1392496, 1442228, 1740620, 1802785, 2523899, 2884456, 3481240, 3605570, 5047798, 5768912, 6962480, 7211140, 10095596, 12619495, 14422280, 20191192, 25238990, 28844560, 40382384, 50477980, 100955960, 201911920]

約数ペア:

[(1, 201911920), (2, 100955960), (4, 50477980), (5, 40382384), (7, 28844560), (8, 25238990), (10, 20191192), (14, 14422280), (16, 12619495), (20, 10095596), (28, 7211140), (29, 6962480), (35, 5768912), (40, 5047798), (56, 3605570), (58, 3481240), (70, 2884456), (80, 2523899), (112, 1802785), (116, 1740620), (140, 1442228), (145, 1392496), (203, 994640), (232, 870310), (280, 721114), (290, 696248), (406, 497320), (464, 435155), (560, 360557), (580, 348124), (812, 248660), (1015, 198928), (1160, 174062), (1624, 124330), (2030, 99464), (2320, 87031), (3248, 62165), (4060, 49732), (8120, 24866), (12433, 16240)]