251573448

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:248

約数の個数: 192

約数和(自身を含む): 780088320

約数和(自身を除く): 528514872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 49, 56, 69, 71, 84, 92, 98, 131, 138, 142, 147, 161, 168, 184, 196, 213, 262, 276, 284, 294, 322, 392, 393, 426, 483, 497, 524, 552, 568, 588, 644, 786, 852, 917, 966, 994, 1048, 1127, 1176, 1288, 1491, 1572, 1633, 1704, 1834, 1932, 1988, 2254, 2751, 2982, 3013, 3144, 3266, 3381, 3479, 3668, 3864, 3976, 4508, 4899, 5502, 5964, 6026, 6419, 6532, 6762, 6958, 7336, 9016, 9039, 9301, 9798, 10437, 11004, 11431, 11928, 12052, 12838, 13064, 13524, 13916, 18078, 18602, 19257, 19596, 20874, 21091, 22008, 22862, 24104, 25676, 27048, 27832, 27903, 34293, 36156, 37204, 38514, 39192, 41748, 42182, 45724, 51352, 55806, 63273, 65107, 68586, 72312, 74408, 77028, 80017, 83496, 84364, 91448, 111612, 126546, 130214, 137172, 147637, 154056, 160034, 168728, 195321, 213923, 223224, 240051, 253092, 260428, 274344, 295274, 320068, 390642, 427846, 442911, 455749, 480102, 506184, 520856, 590548, 640136, 641769, 781284, 855692, 885822, 911498, 960204, 1181096, 1283538, 1367247, 1497461, 1562568, 1711384, 1771644, 1822996, 1920408, 2567076, 2734494, 2994922, 3543288, 3645992, 4492383, 5134152, 5468988, 5989844, 8984766, 10482227, 10937976, 11979688, 17969532, 20964454, 31446681, 35939064, 41928908, 62893362, 83857816, 125786724, 251573448]

約数ペア:

[(1, 251573448), (2, 125786724), (3, 83857816), (4, 62893362), (6, 41928908), (7, 35939064), (8, 31446681), (12, 20964454), (14, 17969532), (21, 11979688), (23, 10937976), (24, 10482227), (28, 8984766), (42, 5989844), (46, 5468988), (49, 5134152), (56, 4492383), (69, 3645992), (71, 3543288), (84, 2994922), (92, 2734494), (98, 2567076), (131, 1920408), (138, 1822996), (142, 1771644), (147, 1711384), (161, 1562568), (168, 1497461), (184, 1367247), (196, 1283538), (213, 1181096), (262, 960204), (276, 911498), (284, 885822), (294, 855692), (322, 781284), (392, 641769), (393, 640136), (426, 590548), (483, 520856), (497, 506184), (524, 480102), (552, 455749), (568, 442911), (588, 427846), (644, 390642), (786, 320068), (852, 295274), (917, 274344), (966, 260428), (994, 253092), (1048, 240051), (1127, 223224), (1176, 213923), (1288, 195321), (1491, 168728), (1572, 160034), (1633, 154056), (1704, 147637), (1834, 137172), (1932, 130214), (1988, 126546), (2254, 111612), (2751, 91448), (2982, 84364), (3013, 83496), (3144, 80017), (3266, 77028), (3381, 74408), (3479, 72312), (3668, 68586), (3864, 65107), (3976, 63273), (4508, 55806), (4899, 51352), (5502, 45724), (5964, 42182), (6026, 41748), (6419, 39192), (6532, 38514), (6762, 37204), (6958, 36156), (7336, 34293), (9016, 27903), (9039, 27832), (9301, 27048), (9798, 25676), (10437, 24104), (11004, 22862), (11431, 22008), (11928, 21091), (12052, 20874), (12838, 19596), (13064, 19257), (13524, 18602), (13916, 18078)]