231388290

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:837

約数の個数: 144

約数和(自身を含む): 710648640

約数和(自身を除く): 479260350

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 71, 90, 98, 105, 126, 142, 147, 210, 213, 245, 294, 315, 355, 426, 441, 490, 497, 630, 639, 710, 735, 739, 882, 994, 1065, 1278, 1470, 1478, 1491, 2130, 2205, 2217, 2485, 2982, 3195, 3479, 3695, 4410, 4434, 4473, 4970, 5173, 6390, 6651, 6958, 7390, 7455, 8946, 10346, 10437, 11085, 13302, 14910, 15519, 17395, 20874, 22170, 22365, 25865, 31038, 31311, 33255, 34790, 36211, 44730, 46557, 51730, 52185, 52469, 62622, 66510, 72422, 77595, 93114, 104370, 104938, 108633, 155190, 156555, 157407, 181055, 217266, 232785, 262345, 313110, 314814, 325899, 362110, 367283, 465570, 472221, 524690, 543165, 651798, 734566, 787035, 944442, 1086330, 1101849, 1574070, 1629495, 1836415, 2203698, 2361105, 2570981, 3258990, 3305547, 3672830, 4722210, 5141962, 5509245, 6611094, 7712943, 11018490, 12854905, 15425886, 16527735, 23138829, 25709810, 33055470, 38564715, 46277658, 77129430, 115694145, 231388290]

約数ペア:

[(1, 231388290), (2, 115694145), (3, 77129430), (5, 46277658), (6, 38564715), (7, 33055470), (9, 25709810), (10, 23138829), (14, 16527735), (15, 15425886), (18, 12854905), (21, 11018490), (30, 7712943), (35, 6611094), (42, 5509245), (45, 5141962), (49, 4722210), (63, 3672830), (70, 3305547), (71, 3258990), (90, 2570981), (98, 2361105), (105, 2203698), (126, 1836415), (142, 1629495), (147, 1574070), (210, 1101849), (213, 1086330), (245, 944442), (294, 787035), (315, 734566), (355, 651798), (426, 543165), (441, 524690), (490, 472221), (497, 465570), (630, 367283), (639, 362110), (710, 325899), (735, 314814), (739, 313110), (882, 262345), (994, 232785), (1065, 217266), (1278, 181055), (1470, 157407), (1478, 156555), (1491, 155190), (2130, 108633), (2205, 104938), (2217, 104370), (2485, 93114), (2982, 77595), (3195, 72422), (3479, 66510), (3695, 62622), (4410, 52469), (4434, 52185), (4473, 51730), (4970, 46557), (5173, 44730), (6390, 36211), (6651, 34790), (6958, 33255), (7390, 31311), (7455, 31038), (8946, 25865), (10346, 22365), (10437, 22170), (11085, 20874), (13302, 17395), (14910, 15519)]