285431076

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:191

約数の個数: 216

約数和(自身を含む): 887350464

約数和(自身を除く): 601919388

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 49, 53, 63, 71, 84, 86, 98, 106, 126, 129, 142, 147, 159, 172, 196, 212, 213, 252, 258, 284, 294, 301, 318, 371, 387, 426, 441, 477, 497, 516, 588, 602, 636, 639, 742, 774, 852, 882, 903, 954, 994, 1113, 1204, 1278, 1484, 1491, 1548, 1764, 1806, 1908, 1988, 2107, 2226, 2279, 2556, 2597, 2709, 2982, 3053, 3339, 3479, 3612, 3763, 4214, 4452, 4473, 4558, 5194, 5418, 5964, 6106, 6321, 6678, 6837, 6958, 7526, 7791, 8428, 8946, 9116, 9159, 10388, 10437, 10836, 11289, 12212, 12642, 13356, 13674, 13916, 15052, 15582, 15953, 17892, 18318, 18963, 20511, 20874, 21371, 22578, 23373, 25284, 26341, 27348, 27477, 31164, 31311, 31906, 33867, 36636, 37926, 41022, 41748, 42742, 45156, 46746, 47859, 52682, 54954, 62622, 63812, 64113, 67734, 75852, 79023, 82044, 85484, 93492, 95718, 105364, 109908, 111671, 125244, 128226, 135468, 143577, 149597, 158046, 161809, 184387, 191436, 192339, 223342, 237069, 256452, 287154, 299194, 316092, 323618, 335013, 368774, 384678, 446684, 448791, 474138, 485427, 553161, 574308, 598388, 647236, 670026, 737548, 769356, 897582, 948276, 970854, 1005039, 1106322, 1132663, 1340052, 1346373, 1456281, 1659483, 1795164, 1941708, 2010078, 2212644, 2265326, 2692746, 2912562, 3318966, 3397989, 4020156, 4530652, 5385492, 5825124, 6637932, 6795978, 7928641, 10193967, 13591956, 15857282, 20387934, 23785923, 31714564, 40775868, 47571846, 71357769, 95143692, 142715538, 285431076]

約数ペア:

[(1, 285431076), (2, 142715538), (3, 95143692), (4, 71357769), (6, 47571846), (7, 40775868), (9, 31714564), (12, 23785923), (14, 20387934), (18, 15857282), (21, 13591956), (28, 10193967), (36, 7928641), (42, 6795978), (43, 6637932), (49, 5825124), (53, 5385492), (63, 4530652), (71, 4020156), (84, 3397989), (86, 3318966), (98, 2912562), (106, 2692746), (126, 2265326), (129, 2212644), (142, 2010078), (147, 1941708), (159, 1795164), (172, 1659483), (196, 1456281), (212, 1346373), (213, 1340052), (252, 1132663), (258, 1106322), (284, 1005039), (294, 970854), (301, 948276), (318, 897582), (371, 769356), (387, 737548), (426, 670026), (441, 647236), (477, 598388), (497, 574308), (516, 553161), (588, 485427), (602, 474138), (636, 448791), (639, 446684), (742, 384678), (774, 368774), (852, 335013), (882, 323618), (903, 316092), (954, 299194), (994, 287154), (1113, 256452), (1204, 237069), (1278, 223342), (1484, 192339), (1491, 191436), (1548, 184387), (1764, 161809), (1806, 158046), (1908, 149597), (1988, 143577), (2107, 135468), (2226, 128226), (2279, 125244), (2556, 111671), (2597, 109908), (2709, 105364), (2982, 95718), (3053, 93492), (3339, 85484), (3479, 82044), (3612, 79023), (3763, 75852), (4214, 67734), (4452, 64113), (4473, 63812), (4558, 62622), (5194, 54954), (5418, 52682), (5964, 47859), (6106, 46746), (6321, 45156), (6678, 42742), (6837, 41748), (6958, 41022), (7526, 37926), (7791, 36636), (8428, 33867), (8946, 31906), (9116, 31311), (9159, 31164), (10388, 27477), (10437, 27348), (10836, 26341), (11289, 25284), (12212, 23373), (12642, 22578), (13356, 21371), (13674, 20874), (13916, 20511), (15052, 18963), (15582, 18318), (15953, 17892)]