212271876

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 599639040

約数和(自身を除く): 387367164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 57, 69, 76, 92, 103, 114, 131, 138, 171, 206, 207, 228, 262, 276, 309, 342, 393, 412, 414, 437, 524, 618, 684, 786, 828, 874, 927, 1179, 1236, 1311, 1572, 1748, 1854, 1957, 2358, 2369, 2489, 2622, 3013, 3708, 3914, 3933, 4716, 4738, 4978, 5244, 5871, 6026, 7107, 7467, 7828, 7866, 9039, 9476, 9956, 11742, 12052, 13493, 14214, 14934, 15732, 17613, 18078, 21321, 22401, 23484, 26986, 27117, 28428, 29868, 35226, 36156, 40479, 42642, 44802, 45011, 53972, 54234, 57247, 70452, 80958, 85284, 89604, 90022, 108468, 114494, 121437, 135033, 161916, 171741, 180044, 228988, 242874, 256367, 270066, 310339, 343482, 405099, 485748, 512734, 515223, 540132, 620678, 686964, 769101, 810198, 931017, 1025468, 1030446, 1241356, 1538202, 1620396, 1862034, 2060892, 2307303, 2793051, 3076404, 3724068, 4614606, 5586102, 5896441, 9229212, 11172204, 11792882, 17689323, 23585764, 35378646, 53067969, 70757292, 106135938, 212271876]

約数ペア:

[(1, 212271876), (2, 106135938), (3, 70757292), (4, 53067969), (6, 35378646), (9, 23585764), (12, 17689323), (18, 11792882), (19, 11172204), (23, 9229212), (36, 5896441), (38, 5586102), (46, 4614606), (57, 3724068), (69, 3076404), (76, 2793051), (92, 2307303), (103, 2060892), (114, 1862034), (131, 1620396), (138, 1538202), (171, 1241356), (206, 1030446), (207, 1025468), (228, 931017), (262, 810198), (276, 769101), (309, 686964), (342, 620678), (393, 540132), (412, 515223), (414, 512734), (437, 485748), (524, 405099), (618, 343482), (684, 310339), (786, 270066), (828, 256367), (874, 242874), (927, 228988), (1179, 180044), (1236, 171741), (1311, 161916), (1572, 135033), (1748, 121437), (1854, 114494), (1957, 108468), (2358, 90022), (2369, 89604), (2489, 85284), (2622, 80958), (3013, 70452), (3708, 57247), (3914, 54234), (3933, 53972), (4716, 45011), (4738, 44802), (4978, 42642), (5244, 40479), (5871, 36156), (6026, 35226), (7107, 29868), (7467, 28428), (7828, 27117), (7866, 26986), (9039, 23484), (9476, 22401), (9956, 21321), (11742, 18078), (12052, 17613), (13493, 15732), (14214, 14934)]