206985408

素因数分解:

$2^6\times 3^1\times 7^4\times {\mathrm{449}}^1$

素因数の和:492

約数の個数: 140

約数和(自身を含む): 640308600

約数和(自身を除く): 433323192

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 147, 168, 192, 196, 224, 294, 336, 343, 392, 448, 449, 588, 672, 686, 784, 898, 1029, 1176, 1344, 1347, 1372, 1568, 1796, 2058, 2352, 2401, 2694, 2744, 3136, 3143, 3592, 4116, 4704, 4802, 5388, 5488, 6286, 7184, 7203, 8232, 9408, 9429, 9604, 10776, 10976, 12572, 14368, 14406, 16464, 18858, 19208, 21552, 21952, 22001, 25144, 28736, 28812, 32928, 37716, 38416, 43104, 44002, 50288, 57624, 65856, 66003, 75432, 76832, 86208, 88004, 100576, 115248, 132006, 150864, 153664, 154007, 176008, 201152, 230496, 264012, 301728, 308014, 352016, 460992, 462021, 528024, 603456, 616028, 704032, 924042, 1056048, 1078049, 1232056, 1408064, 1848084, 2112096, 2156098, 2464112, 3234147, 3696168, 4224192, 4312196, 4928224, 6468294, 7392336, 8624392, 9856448, 12936588, 14784672, 17248784, 25873176, 29569344, 34497568, 51746352, 68995136, 103492704, 206985408]

約数ペア:

[(1, 206985408), (2, 103492704), (3, 68995136), (4, 51746352), (6, 34497568), (7, 29569344), (8, 25873176), (12, 17248784), (14, 14784672), (16, 12936588), (21, 9856448), (24, 8624392), (28, 7392336), (32, 6468294), (42, 4928224), (48, 4312196), (49, 4224192), (56, 3696168), (64, 3234147), (84, 2464112), (96, 2156098), (98, 2112096), (112, 1848084), (147, 1408064), (168, 1232056), (192, 1078049), (196, 1056048), (224, 924042), (294, 704032), (336, 616028), (343, 603456), (392, 528024), (448, 462021), (449, 460992), (588, 352016), (672, 308014), (686, 301728), (784, 264012), (898, 230496), (1029, 201152), (1176, 176008), (1344, 154007), (1347, 153664), (1372, 150864), (1568, 132006), (1796, 115248), (2058, 100576), (2352, 88004), (2401, 86208), (2694, 76832), (2744, 75432), (3136, 66003), (3143, 65856), (3592, 57624), (4116, 50288), (4704, 44002), (4802, 43104), (5388, 38416), (5488, 37716), (6286, 32928), (7184, 28812), (7203, 28736), (8232, 25144), (9408, 22001), (9429, 21952), (9604, 21552), (10776, 19208), (10976, 18858), (12572, 16464), (14368, 14406)]