290934784

素因数分解:

$2^{12}\times 7^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:243

約数の個数: 104

約数和(自身を含む): 678870080

約数和(自身を除く): 387935296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 128, 139, 146, 224, 256, 278, 292, 448, 511, 512, 556, 584, 896, 973, 1022, 1024, 1112, 1168, 1792, 1946, 2044, 2048, 2224, 2336, 3584, 3892, 4088, 4096, 4448, 4672, 7168, 7784, 8176, 8896, 9344, 10147, 14336, 15568, 16352, 17792, 18688, 20294, 28672, 31136, 32704, 35584, 37376, 40588, 62272, 65408, 71029, 71168, 74752, 81176, 124544, 130816, 142058, 142336, 149504, 162352, 249088, 261632, 284116, 284672, 299008, 324704, 498176, 523264, 568232, 569344, 649408, 996352, 1046528, 1136464, 1298816, 1992704, 2093056, 2272928, 2597632, 3985408, 4545856, 5195264, 9091712, 10390528, 18183424, 20781056, 36366848, 41562112, 72733696, 145467392, 290934784]

約数ペア:

[(1, 290934784), (2, 145467392), (4, 72733696), (7, 41562112), (8, 36366848), (14, 20781056), (16, 18183424), (28, 10390528), (32, 9091712), (56, 5195264), (64, 4545856), (73, 3985408), (112, 2597632), (128, 2272928), (139, 2093056), (146, 1992704), (224, 1298816), (256, 1136464), (278, 1046528), (292, 996352), (448, 649408), (511, 569344), (512, 568232), (556, 523264), (584, 498176), (896, 324704), (973, 299008), (1022, 284672), (1024, 284116), (1112, 261632), (1168, 249088), (1792, 162352), (1946, 149504), (2044, 142336), (2048, 142058), (2224, 130816), (2336, 124544), (3584, 81176), (3892, 74752), (4088, 71168), (4096, 71029), (4448, 65408), (4672, 62272), (7168, 40588), (7784, 37376), (8176, 35584), (8896, 32704), (9344, 31136), (10147, 28672), (14336, 20294), (15568, 18688), (16352, 17792)]