257053888

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:175

約数の個数: 224

約数和(自身を含む): 696407040

約数和(自身を除く): 439353152

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 23, 26, 28, 32, 38, 46, 52, 56, 64, 76, 91, 92, 101, 104, 112, 133, 152, 161, 182, 184, 202, 208, 224, 247, 266, 299, 304, 322, 364, 368, 404, 416, 437, 448, 494, 532, 598, 608, 644, 707, 728, 736, 808, 832, 874, 988, 1064, 1196, 1216, 1288, 1313, 1414, 1456, 1472, 1616, 1729, 1748, 1919, 1976, 2093, 2128, 2323, 2392, 2576, 2626, 2828, 2912, 3059, 3232, 3458, 3496, 3838, 3952, 4186, 4256, 4646, 4784, 5152, 5252, 5656, 5681, 5824, 6118, 6464, 6916, 6992, 7676, 7904, 8372, 8512, 9191, 9292, 9568, 10304, 10504, 11312, 11362, 12236, 13433, 13832, 13984, 15352, 15808, 16261, 16744, 18382, 18584, 19136, 21008, 22624, 22724, 24472, 24947, 26866, 27664, 27968, 30199, 30704, 32522, 33488, 36764, 37168, 39767, 42016, 44137, 45248, 45448, 48944, 49894, 53732, 55328, 60398, 61408, 65044, 66976, 73528, 74336, 79534, 84032, 88274, 90896, 97888, 99788, 107464, 110656, 120796, 122816, 130088, 133952, 147056, 148672, 159068, 174629, 176548, 181792, 195776, 199576, 211393, 214928, 241592, 260176, 294112, 308959, 318136, 349258, 353096, 363584, 399152, 422786, 429856, 483184, 520352, 573781, 588224, 617918, 636272, 698516, 706192, 798304, 845572, 859712, 966368, 1040704, 1147562, 1235836, 1272544, 1397032, 1412384, 1596608, 1691144, 1932736, 2295124, 2471672, 2545088, 2794064, 2824768, 3382288, 4016467, 4590248, 4943344, 5588128, 6764576, 8032934, 9180496, 9886688, 11176256, 13529152, 16065868, 18360992, 19773376, 32131736, 36721984, 64263472, 128526944, 257053888]

約数ペア:

[(1, 257053888), (2, 128526944), (4, 64263472), (7, 36721984), (8, 32131736), (13, 19773376), (14, 18360992), (16, 16065868), (19, 13529152), (23, 11176256), (26, 9886688), (28, 9180496), (32, 8032934), (38, 6764576), (46, 5588128), (52, 4943344), (56, 4590248), (64, 4016467), (76, 3382288), (91, 2824768), (92, 2794064), (101, 2545088), (104, 2471672), (112, 2295124), (133, 1932736), (152, 1691144), (161, 1596608), (182, 1412384), (184, 1397032), (202, 1272544), (208, 1235836), (224, 1147562), (247, 1040704), (266, 966368), (299, 859712), (304, 845572), (322, 798304), (364, 706192), (368, 698516), (404, 636272), (416, 617918), (437, 588224), (448, 573781), (494, 520352), (532, 483184), (598, 429856), (608, 422786), (644, 399152), (707, 363584), (728, 353096), (736, 349258), (808, 318136), (832, 308959), (874, 294112), (988, 260176), (1064, 241592), (1196, 214928), (1216, 211393), (1288, 199576), (1313, 195776), (1414, 181792), (1456, 176548), (1472, 174629), (1616, 159068), (1729, 148672), (1748, 147056), (1919, 133952), (1976, 130088), (2093, 122816), (2128, 120796), (2323, 110656), (2392, 107464), (2576, 99788), (2626, 97888), (2828, 90896), (2912, 88274), (3059, 84032), (3232, 79534), (3458, 74336), (3496, 73528), (3838, 66976), (3952, 65044), (4186, 61408), (4256, 60398), (4646, 55328), (4784, 53732), (5152, 49894), (5252, 48944), (5656, 45448), (5681, 45248), (5824, 44137), (6118, 42016), (6464, 39767), (6916, 37168), (6992, 36764), (7676, 33488), (7904, 32522), (8372, 30704), (8512, 30199), (9191, 27968), (9292, 27664), (9568, 26866), (10304, 24947), (10504, 24472), (11312, 22724), (11362, 22624), (12236, 21008), (13433, 19136), (13832, 18584), (13984, 18382), (15352, 16744), (15808, 16261)]