210521248

素因数分解:

$2^5\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:187

約数の個数: 144

約数和(自身を含む): 512967168

約数和(自身を除く): 302445920

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 61, 62, 71, 98, 112, 122, 124, 142, 196, 217, 224, 244, 248, 284, 392, 427, 434, 488, 496, 497, 568, 784, 854, 868, 976, 992, 994, 1136, 1519, 1568, 1708, 1736, 1891, 1952, 1988, 2201, 2272, 2989, 3038, 3416, 3472, 3479, 3782, 3976, 4331, 4402, 5978, 6076, 6832, 6944, 6958, 7564, 7952, 8662, 8804, 11956, 12152, 13237, 13664, 13916, 15128, 15407, 15904, 17324, 17608, 23912, 24304, 26474, 27832, 30256, 30317, 30814, 34648, 35216, 47824, 48608, 52948, 55664, 60512, 60634, 61628, 69296, 70432, 92659, 95648, 105896, 107849, 111328, 121268, 123256, 134261, 138592, 185318, 211792, 212219, 215698, 242536, 246512, 268522, 370636, 423584, 424438, 431396, 485072, 493024, 537044, 741272, 848876, 862792, 939827, 970144, 1074088, 1482544, 1697752, 1725584, 1879654, 2148176, 2965088, 3395504, 3451168, 3759308, 4296352, 6578789, 6791008, 7518616, 13157578, 15037232, 26315156, 30074464, 52630312, 105260624, 210521248]

約数ペア:

[(1, 210521248), (2, 105260624), (4, 52630312), (7, 30074464), (8, 26315156), (14, 15037232), (16, 13157578), (28, 7518616), (31, 6791008), (32, 6578789), (49, 4296352), (56, 3759308), (61, 3451168), (62, 3395504), (71, 2965088), (98, 2148176), (112, 1879654), (122, 1725584), (124, 1697752), (142, 1482544), (196, 1074088), (217, 970144), (224, 939827), (244, 862792), (248, 848876), (284, 741272), (392, 537044), (427, 493024), (434, 485072), (488, 431396), (496, 424438), (497, 423584), (568, 370636), (784, 268522), (854, 246512), (868, 242536), (976, 215698), (992, 212219), (994, 211792), (1136, 185318), (1519, 138592), (1568, 134261), (1708, 123256), (1736, 121268), (1891, 111328), (1952, 107849), (1988, 105896), (2201, 95648), (2272, 92659), (2989, 70432), (3038, 69296), (3416, 61628), (3472, 60634), (3479, 60512), (3782, 55664), (3976, 52948), (4331, 48608), (4402, 47824), (5978, 35216), (6076, 34648), (6832, 30814), (6944, 30317), (6958, 30256), (7564, 27832), (7952, 26474), (8662, 24304), (8804, 23912), (11956, 17608), (12152, 17324), (13237, 15904), (13664, 15407), (13916, 15128)]