257956304

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:292

約数の個数: 80

約数和(自身を含む): 535584768

約数和(自身を除く): 277628464

約数列:

[1, 2, 4, 8, 16, 37, 47, 73, 74, 94, 127, 146, 148, 188, 254, 292, 296, 376, 508, 584, 592, 752, 1016, 1168, 1739, 2032, 2701, 3431, 3478, 4699, 5402, 5969, 6862, 6956, 9271, 9398, 10804, 11938, 13724, 13912, 18542, 18796, 21608, 23876, 27448, 27824, 37084, 37592, 43216, 47752, 54896, 74168, 75184, 95504, 126947, 148336, 220853, 253894, 343027, 435737, 441706, 507788, 686054, 871474, 883412, 1015576, 1372108, 1742948, 1766824, 2031152, 2744216, 3485896, 3533648, 5488432, 6971792, 16122269, 32244538, 64489076, 128978152, 257956304]

約数ペア:

[(1, 257956304), (2, 128978152), (4, 64489076), (8, 32244538), (16, 16122269), (37, 6971792), (47, 5488432), (73, 3533648), (74, 3485896), (94, 2744216), (127, 2031152), (146, 1766824), (148, 1742948), (188, 1372108), (254, 1015576), (292, 883412), (296, 871474), (376, 686054), (508, 507788), (584, 441706), (592, 435737), (752, 343027), (1016, 253894), (1168, 220853), (1739, 148336), (2032, 126947), (2701, 95504), (3431, 75184), (3478, 74168), (4699, 54896), (5402, 47752), (5969, 43216), (6862, 37592), (6956, 37084), (9271, 27824), (9398, 27448), (10804, 23876), (11938, 21608), (13724, 18796), (13912, 18542)]