290468864

素因数分解:

$2^{10}\times 7^3\times {\mathrm{827}}^1$

素因数の和:868

約数の個数: 88

約数和(自身を含む): 677966400

約数和(自身を除く): 387497536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 343, 392, 448, 512, 686, 784, 827, 896, 1024, 1372, 1568, 1654, 1792, 2744, 3136, 3308, 3584, 5488, 5789, 6272, 6616, 7168, 10976, 11578, 12544, 13232, 21952, 23156, 25088, 26464, 40523, 43904, 46312, 50176, 52928, 81046, 87808, 92624, 105856, 162092, 175616, 185248, 211712, 283661, 324184, 351232, 370496, 423424, 567322, 648368, 740992, 846848, 1134644, 1296736, 1481984, 2269288, 2593472, 2963968, 4538576, 5186944, 5927936, 9077152, 10373888, 18154304, 20747776, 36308608, 41495552, 72617216, 145234432, 290468864]

約数ペア:

[(1, 290468864), (2, 145234432), (4, 72617216), (7, 41495552), (8, 36308608), (14, 20747776), (16, 18154304), (28, 10373888), (32, 9077152), (49, 5927936), (56, 5186944), (64, 4538576), (98, 2963968), (112, 2593472), (128, 2269288), (196, 1481984), (224, 1296736), (256, 1134644), (343, 846848), (392, 740992), (448, 648368), (512, 567322), (686, 423424), (784, 370496), (827, 351232), (896, 324184), (1024, 283661), (1372, 211712), (1568, 185248), (1654, 175616), (1792, 162092), (2744, 105856), (3136, 92624), (3308, 87808), (3584, 81046), (5488, 52928), (5789, 50176), (6272, 46312), (6616, 43904), (7168, 40523), (10976, 26464), (11578, 25088), (12544, 23156), (13232, 21952)]