290578624

素因数分解:

$2^6\times 7^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:132

約数の個数: 140

約数和(自身を含む): 705762368

約数和(自身を除く): 415183744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 61, 62, 64, 98, 112, 122, 124, 196, 217, 224, 244, 248, 343, 392, 427, 434, 448, 488, 496, 686, 784, 854, 868, 976, 992, 1372, 1519, 1568, 1708, 1736, 1891, 1952, 1984, 2401, 2744, 2989, 3038, 3136, 3416, 3472, 3782, 3904, 4802, 5488, 5978, 6076, 6832, 6944, 7564, 9604, 10633, 10976, 11956, 12152, 13237, 13664, 13888, 15128, 19208, 20923, 21266, 21952, 23912, 24304, 26474, 27328, 30256, 38416, 41846, 42532, 47824, 48608, 52948, 60512, 74431, 76832, 83692, 85064, 92659, 95648, 97216, 105896, 121024, 146461, 148862, 153664, 167384, 170128, 185318, 191296, 211792, 292922, 297724, 334768, 340256, 370636, 423584, 585844, 595448, 648613, 669536, 680512, 741272, 847168, 1171688, 1190896, 1297226, 1339072, 1482544, 2343376, 2381792, 2594452, 2965088, 4540291, 4686752, 4763584, 5188904, 5930176, 9080582, 9373504, 10377808, 18161164, 20755616, 36322328, 41511232, 72644656, 145289312, 290578624]

約数ペア:

[(1, 290578624), (2, 145289312), (4, 72644656), (7, 41511232), (8, 36322328), (14, 20755616), (16, 18161164), (28, 10377808), (31, 9373504), (32, 9080582), (49, 5930176), (56, 5188904), (61, 4763584), (62, 4686752), (64, 4540291), (98, 2965088), (112, 2594452), (122, 2381792), (124, 2343376), (196, 1482544), (217, 1339072), (224, 1297226), (244, 1190896), (248, 1171688), (343, 847168), (392, 741272), (427, 680512), (434, 669536), (448, 648613), (488, 595448), (496, 585844), (686, 423584), (784, 370636), (854, 340256), (868, 334768), (976, 297724), (992, 292922), (1372, 211792), (1519, 191296), (1568, 185318), (1708, 170128), (1736, 167384), (1891, 153664), (1952, 148862), (1984, 146461), (2401, 121024), (2744, 105896), (2989, 97216), (3038, 95648), (3136, 92659), (3416, 85064), (3472, 83692), (3782, 76832), (3904, 74431), (4802, 60512), (5488, 52948), (5978, 48608), (6076, 47824), (6832, 42532), (6944, 41846), (7564, 38416), (9604, 30256), (10633, 27328), (10976, 26474), (11956, 24304), (12152, 23912), (13237, 21952), (13664, 21266), (13888, 20923), (15128, 19208)]