401612288

素因数分解:

$2^9\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:264

約数の個数: 160

約数和(自身を含む): 1022934528

約数和(自身を除く): 621322240

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 61, 64, 77, 88, 112, 122, 128, 154, 167, 176, 224, 244, 256, 308, 334, 352, 427, 448, 488, 512, 616, 668, 671, 704, 854, 896, 976, 1169, 1232, 1336, 1342, 1408, 1708, 1792, 1837, 1952, 2338, 2464, 2672, 2684, 2816, 3416, 3584, 3674, 3904, 4676, 4697, 4928, 5344, 5368, 5632, 6832, 7348, 7808, 9352, 9394, 9856, 10187, 10688, 10736, 12859, 13664, 14696, 15616, 18704, 18788, 19712, 20374, 21376, 21472, 25718, 27328, 29392, 31232, 37408, 37576, 39424, 40748, 42752, 42944, 51436, 54656, 58784, 71309, 74816, 75152, 81496, 85504, 85888, 102872, 109312, 112057, 117568, 142618, 149632, 150304, 162992, 171776, 205744, 218624, 224114, 235136, 285236, 299264, 300608, 325984, 343552, 411488, 448228, 470272, 570472, 598528, 601216, 651968, 784399, 822976, 896456, 940544, 1140944, 1202432, 1303936, 1568798, 1645952, 1792912, 2281888, 2404864, 2607872, 3137596, 3291904, 3585824, 4563776, 5215744, 6275192, 6583808, 7171648, 9127552, 12550384, 14343296, 18255104, 25100768, 28686592, 36510208, 50201536, 57373184, 100403072, 200806144, 401612288]

約数ペア:

[(1, 401612288), (2, 200806144), (4, 100403072), (7, 57373184), (8, 50201536), (11, 36510208), (14, 28686592), (16, 25100768), (22, 18255104), (28, 14343296), (32, 12550384), (44, 9127552), (56, 7171648), (61, 6583808), (64, 6275192), (77, 5215744), (88, 4563776), (112, 3585824), (122, 3291904), (128, 3137596), (154, 2607872), (167, 2404864), (176, 2281888), (224, 1792912), (244, 1645952), (256, 1568798), (308, 1303936), (334, 1202432), (352, 1140944), (427, 940544), (448, 896456), (488, 822976), (512, 784399), (616, 651968), (668, 601216), (671, 598528), (704, 570472), (854, 470272), (896, 448228), (976, 411488), (1169, 343552), (1232, 325984), (1336, 300608), (1342, 299264), (1408, 285236), (1708, 235136), (1792, 224114), (1837, 218624), (1952, 205744), (2338, 171776), (2464, 162992), (2672, 150304), (2684, 149632), (2816, 142618), (3416, 117568), (3584, 112057), (3674, 109312), (3904, 102872), (4676, 85888), (4697, 85504), (4928, 81496), (5344, 75152), (5368, 74816), (5632, 71309), (6832, 58784), (7348, 54656), (7808, 51436), (9352, 42944), (9394, 42752), (9856, 40748), (10187, 39424), (10688, 37576), (10736, 37408), (12859, 31232), (13664, 29392), (14696, 27328), (15616, 25718), (18704, 21472), (18788, 21376), (19712, 20374)]