209003424

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:467

約数の個数: 144

約数和(自身を含む): 644541408

約数和(自身を除く): 435537984

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, 283, 294, 314, 336, 392, 471, 566, 588, 628, 672, 784, 849, 942, 1099, 1132, 1176, 1256, 1568, 1698, 1884, 1981, 2198, 2264, 2352, 2512, 3297, 3396, 3768, 3962, 4396, 4528, 4704, 5024, 5943, 6594, 6792, 7536, 7693, 7924, 8792, 9056, 11886, 13188, 13584, 13867, 15072, 15386, 15848, 17584, 23079, 23772, 26376, 27168, 27734, 30772, 31696, 35168, 41601, 44431, 46158, 47544, 52752, 55468, 61544, 63392, 83202, 88862, 92316, 95088, 105504, 110936, 123088, 133293, 166404, 177724, 184632, 190176, 221872, 246176, 266586, 311017, 332808, 355448, 369264, 443744, 533172, 622034, 665616, 710896, 738528, 933051, 1066344, 1244068, 1331232, 1421792, 1866102, 2132688, 2177119, 2488136, 3732204, 4265376, 4354238, 4976272, 6531357, 7464408, 8708476, 9952544, 13062714, 14928816, 17416952, 26125428, 29857632, 34833904, 52250856, 69667808, 104501712, 209003424]

約数ペア:

[(1, 209003424), (2, 104501712), (3, 69667808), (4, 52250856), (6, 34833904), (7, 29857632), (8, 26125428), (12, 17416952), (14, 14928816), (16, 13062714), (21, 9952544), (24, 8708476), (28, 7464408), (32, 6531357), (42, 4976272), (48, 4354238), (49, 4265376), (56, 3732204), (84, 2488136), (96, 2177119), (98, 2132688), (112, 1866102), (147, 1421792), (157, 1331232), (168, 1244068), (196, 1066344), (224, 933051), (283, 738528), (294, 710896), (314, 665616), (336, 622034), (392, 533172), (471, 443744), (566, 369264), (588, 355448), (628, 332808), (672, 311017), (784, 266586), (849, 246176), (942, 221872), (1099, 190176), (1132, 184632), (1176, 177724), (1256, 166404), (1568, 133293), (1698, 123088), (1884, 110936), (1981, 105504), (2198, 95088), (2264, 92316), (2352, 88862), (2512, 83202), (3297, 63392), (3396, 61544), (3768, 55468), (3962, 52752), (4396, 47544), (4528, 46158), (4704, 44431), (5024, 41601), (5943, 35168), (6594, 31696), (6792, 30772), (7536, 27734), (7693, 27168), (7924, 26376), (8792, 23772), (9056, 23079), (11886, 17584), (13188, 15848), (13584, 15386), (13867, 15072)]