209378176

素因数分解:

$2^7\times 7^3\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 514080000

約数和(自身を除く): 304701824

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 64, 76, 98, 112, 128, 133, 152, 196, 224, 251, 266, 304, 343, 392, 448, 502, 532, 608, 686, 784, 896, 931, 1004, 1064, 1216, 1372, 1568, 1757, 1862, 2008, 2128, 2432, 2744, 3136, 3514, 3724, 4016, 4256, 4769, 5488, 6272, 6517, 7028, 7448, 8032, 8512, 9538, 10976, 12299, 13034, 14056, 14896, 16064, 17024, 19076, 21952, 24598, 26068, 28112, 29792, 32128, 33383, 38152, 43904, 49196, 52136, 56224, 59584, 66766, 76304, 86093, 98392, 104272, 112448, 119168, 133532, 152608, 172186, 196784, 208544, 224896, 233681, 267064, 305216, 344372, 393568, 417088, 467362, 534128, 610432, 688744, 787136, 834176, 934724, 1068256, 1377488, 1574272, 1635767, 1869448, 2136512, 2754976, 3271534, 3738896, 4273024, 5509952, 6543068, 7477792, 11019904, 13086136, 14955584, 26172272, 29911168, 52344544, 104689088, 209378176]

約数ペア:

[(1, 209378176), (2, 104689088), (4, 52344544), (7, 29911168), (8, 26172272), (14, 14955584), (16, 13086136), (19, 11019904), (28, 7477792), (32, 6543068), (38, 5509952), (49, 4273024), (56, 3738896), (64, 3271534), (76, 2754976), (98, 2136512), (112, 1869448), (128, 1635767), (133, 1574272), (152, 1377488), (196, 1068256), (224, 934724), (251, 834176), (266, 787136), (304, 688744), (343, 610432), (392, 534128), (448, 467362), (502, 417088), (532, 393568), (608, 344372), (686, 305216), (784, 267064), (896, 233681), (931, 224896), (1004, 208544), (1064, 196784), (1216, 172186), (1372, 152608), (1568, 133532), (1757, 119168), (1862, 112448), (2008, 104272), (2128, 98392), (2432, 86093), (2744, 76304), (3136, 66766), (3514, 59584), (3724, 56224), (4016, 52136), (4256, 49196), (4769, 43904), (5488, 38152), (6272, 33383), (6517, 32128), (7028, 29792), (7448, 28112), (8032, 26068), (8512, 24598), (9538, 21952), (10976, 19076), (12299, 17024), (13034, 16064), (14056, 14896)]