209714960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28807}}^1$

素因数の和:28840

約数の個数: 80

約数和(自身を含む): 600128256

約数和(自身を除く): 390413296

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 28807, 57614, 115228, 144035, 201649, 230456, 288070, 374491, 403298, 460912, 576140, 748982, 806596, 1008245, 1152280, 1497964, 1613192, 1872455, 2016490, 2304560, 2621437, 2995928, 3226384, 3744910, 4032980, 5242874, 5991856, 7489820, 8065960, 10485748, 13107185, 14979640, 16131920, 20971496, 26214370, 29959280, 41942992, 52428740, 104857480, 209714960]

約数ペア:

[(1, 209714960), (2, 104857480), (4, 52428740), (5, 41942992), (7, 29959280), (8, 26214370), (10, 20971496), (13, 16131920), (14, 14979640), (16, 13107185), (20, 10485748), (26, 8065960), (28, 7489820), (35, 5991856), (40, 5242874), (52, 4032980), (56, 3744910), (65, 3226384), (70, 2995928), (80, 2621437), (91, 2304560), (104, 2016490), (112, 1872455), (130, 1613192), (140, 1497964), (182, 1152280), (208, 1008245), (260, 806596), (280, 748982), (364, 576140), (455, 460912), (520, 403298), (560, 374491), (728, 288070), (910, 230456), (1040, 201649), (1456, 144035), (1820, 115228), (3640, 57614), (7280, 28807)]