290619392

素因数分解:

$2^{15}\times 7^2\times {\mathrm{181}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 679860090

約数和(自身を除く): 389240698

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 181, 196, 224, 256, 362, 392, 448, 512, 724, 784, 896, 1024, 1267, 1448, 1568, 1792, 2048, 2534, 2896, 3136, 3584, 4096, 5068, 5792, 6272, 7168, 8192, 8869, 10136, 11584, 12544, 14336, 16384, 17738, 20272, 23168, 25088, 28672, 32768, 35476, 40544, 46336, 50176, 57344, 70952, 81088, 92672, 100352, 114688, 141904, 162176, 185344, 200704, 229376, 283808, 324352, 370688, 401408, 567616, 648704, 741376, 802816, 1135232, 1297408, 1482752, 1605632, 2270464, 2594816, 2965504, 4540928, 5189632, 5931008, 9081856, 10379264, 18163712, 20758528, 36327424, 41517056, 72654848, 145309696, 290619392]

約数ペア:

[(1, 290619392), (2, 145309696), (4, 72654848), (7, 41517056), (8, 36327424), (14, 20758528), (16, 18163712), (28, 10379264), (32, 9081856), (49, 5931008), (56, 5189632), (64, 4540928), (98, 2965504), (112, 2594816), (128, 2270464), (181, 1605632), (196, 1482752), (224, 1297408), (256, 1135232), (362, 802816), (392, 741376), (448, 648704), (512, 567616), (724, 401408), (784, 370688), (896, 324352), (1024, 283808), (1267, 229376), (1448, 200704), (1568, 185344), (1792, 162176), (2048, 141904), (2534, 114688), (2896, 100352), (3136, 92672), (3584, 81088), (4096, 70952), (5068, 57344), (5792, 50176), (6272, 46336), (7168, 40544), (8192, 35476), (8869, 32768), (10136, 28672), (11584, 25088), (12544, 23168), (14336, 20272), (16384, 17738)]