257746272

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:533

約数の個数: 144

約数和(自身を含む): 794329200

約数和(自身を除く): 536582928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 157, 168, 196, 224, 294, 314, 336, 349, 392, 471, 588, 628, 672, 698, 784, 942, 1047, 1099, 1176, 1256, 1396, 1568, 1884, 2094, 2198, 2352, 2443, 2512, 2792, 3297, 3768, 4188, 4396, 4704, 4886, 5024, 5584, 6594, 7329, 7536, 7693, 8376, 8792, 9772, 11168, 13188, 14658, 15072, 15386, 16752, 17101, 17584, 19544, 23079, 26376, 29316, 30772, 33504, 34202, 35168, 39088, 46158, 51303, 52752, 54793, 58632, 61544, 68404, 78176, 92316, 102606, 105504, 109586, 117264, 123088, 136808, 164379, 184632, 205212, 219172, 234528, 246176, 273616, 328758, 369264, 383551, 410424, 438344, 547232, 657516, 738528, 767102, 820848, 876688, 1150653, 1315032, 1534204, 1641696, 1753376, 2301306, 2630064, 2684857, 3068408, 4602612, 5260128, 5369714, 6136816, 8054571, 9205224, 10739428, 12273632, 16109142, 18410448, 21478856, 32218284, 36820896, 42957712, 64436568, 85915424, 128873136, 257746272]

約数ペア:

[(1, 257746272), (2, 128873136), (3, 85915424), (4, 64436568), (6, 42957712), (7, 36820896), (8, 32218284), (12, 21478856), (14, 18410448), (16, 16109142), (21, 12273632), (24, 10739428), (28, 9205224), (32, 8054571), (42, 6136816), (48, 5369714), (49, 5260128), (56, 4602612), (84, 3068408), (96, 2684857), (98, 2630064), (112, 2301306), (147, 1753376), (157, 1641696), (168, 1534204), (196, 1315032), (224, 1150653), (294, 876688), (314, 820848), (336, 767102), (349, 738528), (392, 657516), (471, 547232), (588, 438344), (628, 410424), (672, 383551), (698, 369264), (784, 328758), (942, 273616), (1047, 246176), (1099, 234528), (1176, 219172), (1256, 205212), (1396, 184632), (1568, 164379), (1884, 136808), (2094, 123088), (2198, 117264), (2352, 109586), (2443, 105504), (2512, 102606), (2792, 92316), (3297, 78176), (3768, 68404), (4188, 61544), (4396, 58632), (4704, 54793), (4886, 52752), (5024, 51303), (5584, 46158), (6594, 39088), (7329, 35168), (7536, 34202), (7693, 33504), (8376, 30772), (8792, 29316), (9772, 26376), (11168, 23079), (13188, 19544), (14658, 17584), (15072, 17101), (15386, 16752)]