428257746

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:306

約数の個数: 192

約数和(自身を含む): 1197711360

約数和(自身を除く): 769453614

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 31, 42, 46, 49, 54, 62, 63, 69, 93, 98, 126, 138, 147, 161, 186, 189, 207, 217, 227, 279, 294, 322, 378, 414, 434, 441, 454, 483, 558, 621, 651, 681, 713, 837, 882, 966, 1127, 1242, 1302, 1323, 1362, 1426, 1449, 1519, 1589, 1674, 1953, 2043, 2139, 2254, 2646, 2898, 3038, 3178, 3381, 3906, 4086, 4278, 4347, 4557, 4767, 4991, 5221, 5859, 6129, 6417, 6762, 7037, 8694, 9114, 9534, 9982, 10143, 10442, 11123, 11718, 12258, 12834, 13671, 14074, 14301, 14973, 15663, 19251, 20286, 21111, 22246, 27342, 28602, 29946, 30429, 31326, 33369, 34937, 36547, 38502, 41013, 42222, 42903, 44919, 46989, 49259, 60858, 63333, 66738, 69874, 73094, 82026, 85806, 89838, 93978, 98518, 100107, 104811, 109641, 126666, 134757, 140967, 147777, 161851, 189999, 200214, 209622, 219282, 255829, 269514, 281934, 295554, 300321, 314433, 323702, 328923, 344813, 379998, 443331, 485553, 511658, 600642, 628866, 657846, 689626, 767487, 886662, 943299, 971106, 986769, 1034439, 1132957, 1329993, 1456659, 1534974, 1886598, 1973538, 2068878, 2265914, 2302461, 2659986, 2913318, 3103317, 3398871, 4369977, 4604922, 6206634, 6797742, 6907383, 7930699, 8739954, 9309951, 10196613, 13814766, 15861398, 18619902, 20393226, 23792097, 30589839, 47584194, 61179678, 71376291, 142752582, 214128873, 428257746]

約数ペア:

[(1, 428257746), (2, 214128873), (3, 142752582), (6, 71376291), (7, 61179678), (9, 47584194), (14, 30589839), (18, 23792097), (21, 20393226), (23, 18619902), (27, 15861398), (31, 13814766), (42, 10196613), (46, 9309951), (49, 8739954), (54, 7930699), (62, 6907383), (63, 6797742), (69, 6206634), (93, 4604922), (98, 4369977), (126, 3398871), (138, 3103317), (147, 2913318), (161, 2659986), (186, 2302461), (189, 2265914), (207, 2068878), (217, 1973538), (227, 1886598), (279, 1534974), (294, 1456659), (322, 1329993), (378, 1132957), (414, 1034439), (434, 986769), (441, 971106), (454, 943299), (483, 886662), (558, 767487), (621, 689626), (651, 657846), (681, 628866), (713, 600642), (837, 511658), (882, 485553), (966, 443331), (1127, 379998), (1242, 344813), (1302, 328923), (1323, 323702), (1362, 314433), (1426, 300321), (1449, 295554), (1519, 281934), (1589, 269514), (1674, 255829), (1953, 219282), (2043, 209622), (2139, 200214), (2254, 189999), (2646, 161851), (2898, 147777), (3038, 140967), (3178, 134757), (3381, 126666), (3906, 109641), (4086, 104811), (4278, 100107), (4347, 98518), (4557, 93978), (4767, 89838), (4991, 85806), (5221, 82026), (5859, 73094), (6129, 69874), (6417, 66738), (6762, 63333), (7037, 60858), (8694, 49259), (9114, 46989), (9534, 44919), (9982, 42903), (10143, 42222), (10442, 41013), (11123, 38502), (11718, 36547), (12258, 34937), (12834, 33369), (13671, 31326), (14074, 30429), (14301, 29946), (14973, 28602), (15663, 27342), (19251, 22246), (20286, 21111)]