280428512

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:185

約数の個数: 192

約数和(自身を含む): 731566080

約数和(自身を除く): 451137568

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 32, 46, 52, 53, 56, 79, 91, 92, 104, 106, 112, 158, 161, 182, 184, 208, 212, 224, 299, 316, 322, 364, 368, 371, 416, 424, 553, 598, 632, 644, 689, 728, 736, 742, 848, 1027, 1106, 1196, 1219, 1264, 1288, 1378, 1456, 1484, 1696, 1817, 2054, 2093, 2212, 2392, 2438, 2528, 2576, 2756, 2912, 2968, 3634, 4108, 4186, 4187, 4424, 4784, 4823, 4876, 5152, 5512, 5936, 7189, 7268, 8216, 8372, 8374, 8533, 8848, 9568, 9646, 9752, 11024, 11872, 12719, 14378, 14536, 15847, 16432, 16744, 16748, 17066, 17696, 19292, 19504, 22048, 23621, 25438, 28756, 29072, 29309, 31694, 32864, 33488, 33496, 34132, 38584, 39008, 47242, 50876, 54431, 57512, 58144, 58618, 63388, 66976, 66992, 68264, 77168, 94484, 96301, 101752, 108862, 110929, 115024, 117236, 126776, 133984, 136528, 154336, 165347, 188968, 192602, 203504, 217724, 221858, 230048, 234472, 253552, 273056, 330694, 377936, 381017, 385204, 407008, 435448, 443716, 468944, 507104, 661388, 674107, 755872, 762034, 770408, 870896, 887432, 937888, 1251913, 1322776, 1348214, 1524068, 1540816, 1741792, 1774864, 2503826, 2645552, 2696428, 3048136, 3081632, 3549728, 5007652, 5291104, 5392856, 6096272, 8763391, 10015304, 10785712, 12192544, 17526782, 20030608, 21571424, 35053564, 40061216, 70107128, 140214256, 280428512]

約数ペア:

[(1, 280428512), (2, 140214256), (4, 70107128), (7, 40061216), (8, 35053564), (13, 21571424), (14, 20030608), (16, 17526782), (23, 12192544), (26, 10785712), (28, 10015304), (32, 8763391), (46, 6096272), (52, 5392856), (53, 5291104), (56, 5007652), (79, 3549728), (91, 3081632), (92, 3048136), (104, 2696428), (106, 2645552), (112, 2503826), (158, 1774864), (161, 1741792), (182, 1540816), (184, 1524068), (208, 1348214), (212, 1322776), (224, 1251913), (299, 937888), (316, 887432), (322, 870896), (364, 770408), (368, 762034), (371, 755872), (416, 674107), (424, 661388), (553, 507104), (598, 468944), (632, 443716), (644, 435448), (689, 407008), (728, 385204), (736, 381017), (742, 377936), (848, 330694), (1027, 273056), (1106, 253552), (1196, 234472), (1219, 230048), (1264, 221858), (1288, 217724), (1378, 203504), (1456, 192602), (1484, 188968), (1696, 165347), (1817, 154336), (2054, 136528), (2093, 133984), (2212, 126776), (2392, 117236), (2438, 115024), (2528, 110929), (2576, 108862), (2756, 101752), (2912, 96301), (2968, 94484), (3634, 77168), (4108, 68264), (4186, 66992), (4187, 66976), (4424, 63388), (4784, 58618), (4823, 58144), (4876, 57512), (5152, 54431), (5512, 50876), (5936, 47242), (7189, 39008), (7268, 38584), (8216, 34132), (8372, 33496), (8374, 33488), (8533, 32864), (8848, 31694), (9568, 29309), (9646, 29072), (9752, 28756), (11024, 25438), (11872, 23621), (12719, 22048), (14378, 19504), (14536, 19292), (15847, 17696), (16432, 17066), (16744, 16748)]