890021888

素因数分解:

$2^{11}\times 7^4\times {\mathrm{181}}^1$

素因数の和:231

約数の個数: 120

約数和(自身を含む): 2087557290

約数和(自身を除く): 1197535402

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, 2401, 2534, 2744, 2896, 3136, 3584, 4802, 5068, 5488, 5792, 6272, 7168, 8869, 9604, 10136, 10976, 11584, 12544, 14336, 17738, 19208, 20272, 21952, 23168, 25088, 35476, 38416, 40544, 43904, 46336, 50176, 62083, 70952, 76832, 81088, 87808, 92672, 100352, 124166, 141904, 153664, 162176, 175616, 185344, 248332, 283808, 307328, 324352, 351232, 370688, 434581, 496664, 567616, 614656, 648704, 702464, 869162, 993328, 1135232, 1229312, 1297408, 1738324, 1986656, 2270464, 2458624, 2594816, 3476648, 3973312, 4540928, 4917248, 6953296, 7946624, 9081856, 13906592, 15893248, 18163712, 27813184, 31786496, 55626368, 63572992, 111252736, 127145984, 222505472, 445010944, 890021888]

約数ペア:

[(1, 890021888), (2, 445010944), (4, 222505472), (7, 127145984), (8, 111252736), (14, 63572992), (16, 55626368), (28, 31786496), (32, 27813184), (49, 18163712), (56, 15893248), (64, 13906592), (98, 9081856), (112, 7946624), (128, 6953296), (181, 4917248), (196, 4540928), (224, 3973312), (256, 3476648), (343, 2594816), (362, 2458624), (392, 2270464), (448, 1986656), (512, 1738324), (686, 1297408), (724, 1229312), (784, 1135232), (896, 993328), (1024, 869162), (1267, 702464), (1372, 648704), (1448, 614656), (1568, 567616), (1792, 496664), (2048, 434581), (2401, 370688), (2534, 351232), (2744, 324352), (2896, 307328), (3136, 283808), (3584, 248332), (4802, 185344), (5068, 175616), (5488, 162176), (5792, 153664), (6272, 141904), (7168, 124166), (8869, 100352), (9604, 92672), (10136, 87808), (10976, 81088), (11584, 76832), (12544, 70952), (14336, 62083), (17738, 50176), (19208, 46336), (20272, 43904), (21952, 40544), (23168, 38416), (25088, 35476)]