257758424

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{113}}^1$

素因数の和:190

約数の個数: 144

約数和(自身を含む): 646810920

約数和(自身を除く): 389052496

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 23, 28, 44, 46, 49, 56, 77, 88, 92, 98, 113, 154, 161, 184, 196, 226, 253, 308, 322, 392, 452, 506, 529, 539, 616, 644, 791, 904, 1012, 1058, 1078, 1127, 1243, 1288, 1582, 1771, 2024, 2116, 2156, 2254, 2486, 2599, 3164, 3542, 3703, 4232, 4312, 4508, 4972, 5198, 5537, 5819, 6328, 7084, 7406, 8701, 9016, 9944, 10396, 11074, 11638, 12397, 14168, 14812, 17402, 18193, 20792, 22148, 23276, 24794, 25921, 28589, 29624, 34804, 36386, 40733, 44296, 46552, 49588, 51842, 57178, 59777, 60907, 69608, 72772, 81466, 99176, 103684, 114356, 119554, 121814, 127351, 145544, 162932, 200123, 207368, 228712, 239108, 243628, 254702, 285131, 325864, 400246, 418439, 478216, 487256, 509404, 570262, 657547, 800492, 836878, 1018808, 1140524, 1315094, 1400861, 1600984, 1673756, 2281048, 2630188, 2801722, 2929073, 3347512, 4602829, 5260376, 5603444, 5858146, 9205658, 11206888, 11716292, 18411316, 23432584, 32219803, 36822632, 64439606, 128879212, 257758424]

約数ペア:

[(1, 257758424), (2, 128879212), (4, 64439606), (7, 36822632), (8, 32219803), (11, 23432584), (14, 18411316), (22, 11716292), (23, 11206888), (28, 9205658), (44, 5858146), (46, 5603444), (49, 5260376), (56, 4602829), (77, 3347512), (88, 2929073), (92, 2801722), (98, 2630188), (113, 2281048), (154, 1673756), (161, 1600984), (184, 1400861), (196, 1315094), (226, 1140524), (253, 1018808), (308, 836878), (322, 800492), (392, 657547), (452, 570262), (506, 509404), (529, 487256), (539, 478216), (616, 418439), (644, 400246), (791, 325864), (904, 285131), (1012, 254702), (1058, 243628), (1078, 239108), (1127, 228712), (1243, 207368), (1288, 200123), (1582, 162932), (1771, 145544), (2024, 127351), (2116, 121814), (2156, 119554), (2254, 114356), (2486, 103684), (2599, 99176), (3164, 81466), (3542, 72772), (3703, 69608), (4232, 60907), (4312, 59777), (4508, 57178), (4972, 51842), (5198, 49588), (5537, 46552), (5819, 44296), (6328, 40733), (7084, 36386), (7406, 34804), (8701, 29624), (9016, 28589), (9944, 25921), (10396, 24794), (11074, 23276), (11638, 22148), (12397, 20792), (14168, 18193), (14812, 17402)]