123857888

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:245

約数の個数: 144

約数和(自身を含む): 318536064

約数和(自身を除く): 194678176

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 43, 44, 49, 56, 77, 86, 88, 98, 112, 154, 167, 172, 176, 196, 224, 301, 308, 334, 344, 352, 392, 473, 539, 602, 616, 668, 688, 784, 946, 1078, 1169, 1204, 1232, 1336, 1376, 1568, 1837, 1892, 2107, 2156, 2338, 2408, 2464, 2672, 3311, 3674, 3784, 4214, 4312, 4676, 4816, 5344, 6622, 7181, 7348, 7568, 8183, 8428, 8624, 9352, 9632, 12859, 13244, 14362, 14696, 15136, 16366, 16856, 17248, 18704, 23177, 25718, 26488, 28724, 29392, 32732, 33712, 37408, 46354, 50267, 51436, 52976, 57448, 58784, 65464, 67424, 78991, 90013, 92708, 100534, 102872, 105952, 114896, 130928, 157982, 180026, 185416, 201068, 205744, 229792, 261856, 315964, 351869, 360052, 370832, 402136, 411488, 552937, 631928, 703738, 720104, 741664, 804272, 1105874, 1263856, 1407476, 1440208, 1608544, 2211748, 2527712, 2814952, 2880416, 3870559, 4423496, 5629904, 7741118, 8846992, 11259808, 15482236, 17693984, 30964472, 61928944, 123857888]

約数ペア:

[(1, 123857888), (2, 61928944), (4, 30964472), (7, 17693984), (8, 15482236), (11, 11259808), (14, 8846992), (16, 7741118), (22, 5629904), (28, 4423496), (32, 3870559), (43, 2880416), (44, 2814952), (49, 2527712), (56, 2211748), (77, 1608544), (86, 1440208), (88, 1407476), (98, 1263856), (112, 1105874), (154, 804272), (167, 741664), (172, 720104), (176, 703738), (196, 631928), (224, 552937), (301, 411488), (308, 402136), (334, 370832), (344, 360052), (352, 351869), (392, 315964), (473, 261856), (539, 229792), (602, 205744), (616, 201068), (668, 185416), (688, 180026), (784, 157982), (946, 130928), (1078, 114896), (1169, 105952), (1204, 102872), (1232, 100534), (1336, 92708), (1376, 90013), (1568, 78991), (1837, 67424), (1892, 65464), (2107, 58784), (2156, 57448), (2338, 52976), (2408, 51436), (2464, 50267), (2672, 46354), (3311, 37408), (3674, 33712), (3784, 32732), (4214, 29392), (4312, 28724), (4676, 26488), (4816, 25718), (5344, 23177), (6622, 18704), (7181, 17248), (7348, 16856), (7568, 16366), (8183, 15136), (8428, 14696), (8624, 14362), (9352, 13244), (9632, 12859)]