254487870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:256

約数の個数: 288

約数和(自身を含む): 869424192

約数和(自身を除く): 614936322

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 23, 26, 30, 35, 39, 42, 45, 46, 49, 63, 65, 69, 70, 78, 90, 91, 98, 105, 115, 117, 126, 130, 138, 147, 161, 182, 193, 195, 207, 210, 230, 234, 245, 273, 294, 299, 315, 322, 345, 386, 390, 414, 441, 455, 483, 490, 546, 579, 585, 598, 630, 637, 690, 735, 805, 819, 882, 897, 910, 965, 966, 1035, 1127, 1158, 1170, 1274, 1351, 1365, 1449, 1470, 1495, 1610, 1638, 1737, 1794, 1911, 1930, 2070, 2093, 2205, 2254, 2415, 2509, 2691, 2702, 2730, 2895, 2898, 2990, 3185, 3381, 3474, 3822, 4053, 4095, 4186, 4410, 4439, 4485, 4830, 5018, 5382, 5635, 5733, 5790, 6279, 6370, 6755, 6762, 7245, 7527, 8106, 8190, 8685, 8878, 8970, 9457, 9555, 10143, 10465, 11270, 11466, 12159, 12545, 12558, 13317, 13455, 13510, 14490, 14651, 15054, 16905, 17370, 17563, 18837, 18914, 19110, 20265, 20286, 20930, 22195, 22581, 24318, 25090, 26634, 26910, 28371, 28665, 29302, 31073, 31395, 33810, 35126, 37635, 37674, 39951, 40530, 43953, 44390, 45162, 47285, 50715, 52689, 56742, 57330, 57707, 60795, 62146, 62790, 66585, 73255, 75270, 79902, 85113, 87815, 87906, 93219, 94185, 94570, 101430, 105378, 112905, 115414, 121590, 122941, 131859, 133170, 141855, 146510, 155365, 158067, 170226, 173121, 175630, 186438, 188370, 199755, 217511, 219765, 225810, 245882, 263445, 263718, 279657, 283710, 288535, 310730, 316134, 346242, 368823, 399510, 403949, 425565, 435022, 439530, 466095, 519363, 526890, 559314, 577070, 614705, 652533, 659295, 737646, 790335, 807898, 851130, 865605, 932190, 1038726, 1087555, 1106469, 1211847, 1229410, 1305066, 1318590, 1398285, 1580670, 1731210, 1844115, 1957599, 2019745, 2175110, 2212938, 2423694, 2596815, 2796570, 2827643, 3262665, 3635541, 3688230, 3915198, 4039490, 5193630, 5532345, 5655286, 6059235, 6525330, 7271082, 8482929, 9787995, 11064690, 12118470, 14138215, 16965858, 18177705, 19575990, 25448787, 28276430, 36355410, 42414645, 50897574, 84829290, 127243935, 254487870]

約数ペア:

[(1, 254487870), (2, 127243935), (3, 84829290), (5, 50897574), (6, 42414645), (7, 36355410), (9, 28276430), (10, 25448787), (13, 19575990), (14, 18177705), (15, 16965858), (18, 14138215), (21, 12118470), (23, 11064690), (26, 9787995), (30, 8482929), (35, 7271082), (39, 6525330), (42, 6059235), (45, 5655286), (46, 5532345), (49, 5193630), (63, 4039490), (65, 3915198), (69, 3688230), (70, 3635541), (78, 3262665), (90, 2827643), (91, 2796570), (98, 2596815), (105, 2423694), (115, 2212938), (117, 2175110), (126, 2019745), (130, 1957599), (138, 1844115), (147, 1731210), (161, 1580670), (182, 1398285), (193, 1318590), (195, 1305066), (207, 1229410), (210, 1211847), (230, 1106469), (234, 1087555), (245, 1038726), (273, 932190), (294, 865605), (299, 851130), (315, 807898), (322, 790335), (345, 737646), (386, 659295), (390, 652533), (414, 614705), (441, 577070), (455, 559314), (483, 526890), (490, 519363), (546, 466095), (579, 439530), (585, 435022), (598, 425565), (630, 403949), (637, 399510), (690, 368823), (735, 346242), (805, 316134), (819, 310730), (882, 288535), (897, 283710), (910, 279657), (965, 263718), (966, 263445), (1035, 245882), (1127, 225810), (1158, 219765), (1170, 217511), (1274, 199755), (1351, 188370), (1365, 186438), (1449, 175630), (1470, 173121), (1495, 170226), (1610, 158067), (1638, 155365), (1737, 146510), (1794, 141855), (1911, 133170), (1930, 131859), (2070, 122941), (2093, 121590), (2205, 115414), (2254, 112905), (2415, 105378), (2509, 101430), (2691, 94570), (2702, 94185), (2730, 93219), (2895, 87906), (2898, 87815), (2990, 85113), (3185, 79902), (3381, 75270), (3474, 73255), (3822, 66585), (4053, 62790), (4095, 62146), (4186, 60795), (4410, 57707), (4439, 57330), (4485, 56742), (4830, 52689), (5018, 50715), (5382, 47285), (5635, 45162), (5733, 44390), (5790, 43953), (6279, 40530), (6370, 39951), (6755, 37674), (6762, 37635), (7245, 35126), (7527, 33810), (8106, 31395), (8190, 31073), (8685, 29302), (8878, 28665), (8970, 28371), (9457, 26910), (9555, 26634), (10143, 25090), (10465, 24318), (11270, 22581), (11466, 22195), (12159, 20930), (12545, 20286), (12558, 20265), (13317, 19110), (13455, 18914), (13510, 18837), (14490, 17563), (14651, 17370), (15054, 16905)]