254291968

素因数分解:

$2^{12}\times 7^3\times {\mathrm{181}}^1$

素因数の和:226

約数の個数: 104

約数和(自身を含む): 596304800

約数和(自身を除く): 342012832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 181, 196, 224, 256, 343, 362, 392, 448, 512, 686, 724, 784, 896, 1024, 1267, 1372, 1448, 1568, 1792, 2048, 2534, 2744, 2896, 3136, 3584, 4096, 5068, 5488, 5792, 6272, 7168, 8869, 10136, 10976, 11584, 12544, 14336, 17738, 20272, 21952, 23168, 25088, 28672, 35476, 40544, 43904, 46336, 50176, 62083, 70952, 81088, 87808, 92672, 100352, 124166, 141904, 162176, 175616, 185344, 200704, 248332, 283808, 324352, 351232, 370688, 496664, 567616, 648704, 702464, 741376, 993328, 1135232, 1297408, 1404928, 1986656, 2270464, 2594816, 3973312, 4540928, 5189632, 7946624, 9081856, 15893248, 18163712, 31786496, 36327424, 63572992, 127145984, 254291968]

約数ペア:

[(1, 254291968), (2, 127145984), (4, 63572992), (7, 36327424), (8, 31786496), (14, 18163712), (16, 15893248), (28, 9081856), (32, 7946624), (49, 5189632), (56, 4540928), (64, 3973312), (98, 2594816), (112, 2270464), (128, 1986656), (181, 1404928), (196, 1297408), (224, 1135232), (256, 993328), (343, 741376), (362, 702464), (392, 648704), (448, 567616), (512, 496664), (686, 370688), (724, 351232), (784, 324352), (896, 283808), (1024, 248332), (1267, 200704), (1372, 185344), (1448, 175616), (1568, 162176), (1792, 141904), (2048, 124166), (2534, 100352), (2744, 92672), (2896, 87808), (3136, 81088), (3584, 70952), (4096, 62083), (5068, 50176), (5488, 46336), (5792, 43904), (6272, 40544), (7168, 35476), (8869, 28672), (10136, 25088), (10976, 23168), (11584, 21952), (12544, 20272), (14336, 17738)]