209574960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:352

約数の個数: 240

約数和(自身を含む): 769450752

約数和(自身を除く): 559875792

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, 49, 56, 60, 70, 71, 80, 84, 98, 105, 112, 120, 140, 142, 147, 168, 196, 210, 213, 240, 245, 251, 280, 284, 294, 336, 355, 392, 420, 426, 490, 497, 502, 560, 568, 588, 710, 735, 753, 784, 840, 852, 980, 994, 1004, 1065, 1136, 1176, 1255, 1420, 1470, 1491, 1506, 1680, 1704, 1757, 1960, 1988, 2008, 2130, 2352, 2485, 2510, 2840, 2940, 2982, 3012, 3408, 3479, 3514, 3765, 3920, 3976, 4016, 4260, 4970, 5020, 5271, 5680, 5880, 5964, 6024, 6958, 7028, 7455, 7530, 7952, 8520, 8785, 9940, 10040, 10437, 10542, 11760, 11928, 12048, 12299, 13916, 14056, 14910, 15060, 17040, 17395, 17570, 17821, 19880, 20080, 20874, 21084, 23856, 24598, 26355, 27832, 28112, 29820, 30120, 34790, 35140, 35642, 36897, 39760, 41748, 42168, 49196, 52185, 52710, 53463, 55664, 59640, 60240, 61495, 69580, 70280, 71284, 73794, 83496, 84336, 89105, 98392, 104370, 105420, 106926, 119280, 122990, 124747, 139160, 140560, 142568, 147588, 166992, 178210, 184485, 196784, 208740, 210840, 213852, 245980, 249494, 267315, 278320, 285136, 295176, 356420, 368970, 374241, 417480, 421680, 427704, 491960, 498988, 534630, 590352, 623735, 712840, 737940, 748482, 834960, 855408, 873229, 983920, 997976, 1069260, 1247470, 1425680, 1475880, 1496964, 1746458, 1871205, 1995952, 2138520, 2494940, 2619687, 2951760, 2993928, 3492916, 3742410, 4277040, 4366145, 4989880, 5239374, 5987856, 6985832, 7484820, 8732290, 9979760, 10478748, 13098435, 13971664, 14969640, 17464580, 20957496, 26196870, 29939280, 34929160, 41914992, 52393740, 69858320, 104787480, 209574960]

約数ペア:

[(1, 209574960), (2, 104787480), (3, 69858320), (4, 52393740), (5, 41914992), (6, 34929160), (7, 29939280), (8, 26196870), (10, 20957496), (12, 17464580), (14, 14969640), (15, 13971664), (16, 13098435), (20, 10478748), (21, 9979760), (24, 8732290), (28, 7484820), (30, 6985832), (35, 5987856), (40, 5239374), (42, 4989880), (48, 4366145), (49, 4277040), (56, 3742410), (60, 3492916), (70, 2993928), (71, 2951760), (80, 2619687), (84, 2494940), (98, 2138520), (105, 1995952), (112, 1871205), (120, 1746458), (140, 1496964), (142, 1475880), (147, 1425680), (168, 1247470), (196, 1069260), (210, 997976), (213, 983920), (240, 873229), (245, 855408), (251, 834960), (280, 748482), (284, 737940), (294, 712840), (336, 623735), (355, 590352), (392, 534630), (420, 498988), (426, 491960), (490, 427704), (497, 421680), (502, 417480), (560, 374241), (568, 368970), (588, 356420), (710, 295176), (735, 285136), (753, 278320), (784, 267315), (840, 249494), (852, 245980), (980, 213852), (994, 210840), (1004, 208740), (1065, 196784), (1136, 184485), (1176, 178210), (1255, 166992), (1420, 147588), (1470, 142568), (1491, 140560), (1506, 139160), (1680, 124747), (1704, 122990), (1757, 119280), (1960, 106926), (1988, 105420), (2008, 104370), (2130, 98392), (2352, 89105), (2485, 84336), (2510, 83496), (2840, 73794), (2940, 71284), (2982, 70280), (3012, 69580), (3408, 61495), (3479, 60240), (3514, 59640), (3765, 55664), (3920, 53463), (3976, 52710), (4016, 52185), (4260, 49196), (4970, 42168), (5020, 41748), (5271, 39760), (5680, 36897), (5880, 35642), (5964, 35140), (6024, 34790), (6958, 30120), (7028, 29820), (7455, 28112), (7530, 27832), (7952, 26355), (8520, 24598), (8785, 23856), (9940, 21084), (10040, 20874), (10437, 20080), (10542, 19880), (11760, 17821), (11928, 17570), (12048, 17395), (12299, 17040), (13916, 15060), (14056, 14910)]