255170608

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1047

約数の個数: 120

約数和(自身を含む): 654402560

約数和(自身を除く): 399231952

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 38, 44, 56, 76, 77, 88, 112, 121, 133, 152, 154, 176, 209, 242, 266, 304, 308, 418, 484, 532, 616, 836, 847, 968, 991, 1064, 1232, 1463, 1672, 1694, 1936, 1982, 2128, 2299, 2926, 3344, 3388, 3964, 4598, 5852, 6776, 6937, 7928, 9196, 10901, 11704, 13552, 13874, 15856, 16093, 18392, 18829, 21802, 23408, 27748, 32186, 36784, 37658, 43604, 55496, 64372, 75316, 76307, 87208, 110992, 119911, 128744, 131803, 150632, 152614, 174416, 207119, 239822, 257488, 263606, 301264, 305228, 414238, 479644, 527212, 610456, 828476, 839377, 959288, 1054424, 1220912, 1449833, 1656952, 1678754, 1918576, 2108848, 2278309, 2899666, 3313904, 3357508, 4556618, 5799332, 6715016, 9113236, 11598664, 13430032, 15948163, 18226472, 23197328, 31896326, 36452944, 63792652, 127585304, 255170608]

約数ペア:

[(1, 255170608), (2, 127585304), (4, 63792652), (7, 36452944), (8, 31896326), (11, 23197328), (14, 18226472), (16, 15948163), (19, 13430032), (22, 11598664), (28, 9113236), (38, 6715016), (44, 5799332), (56, 4556618), (76, 3357508), (77, 3313904), (88, 2899666), (112, 2278309), (121, 2108848), (133, 1918576), (152, 1678754), (154, 1656952), (176, 1449833), (209, 1220912), (242, 1054424), (266, 959288), (304, 839377), (308, 828476), (418, 610456), (484, 527212), (532, 479644), (616, 414238), (836, 305228), (847, 301264), (968, 263606), (991, 257488), (1064, 239822), (1232, 207119), (1463, 174416), (1672, 152614), (1694, 150632), (1936, 131803), (1982, 128744), (2128, 119911), (2299, 110992), (2926, 87208), (3344, 76307), (3388, 75316), (3964, 64372), (4598, 55496), (5852, 43604), (6776, 37658), (6937, 36784), (7928, 32186), (9196, 27748), (10901, 23408), (11704, 21802), (13552, 18829), (13874, 18392), (15856, 16093)]