208079235

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:123

約数の個数: 192

約数和(自身を含む): 487468800

約数和(自身を除く): 279389565

約数列:

[1, 3, 5, 7, 9, 13, 15, 17, 21, 35, 39, 45, 49, 51, 61, 63, 65, 85, 91, 105, 117, 119, 147, 153, 183, 195, 221, 245, 255, 273, 305, 315, 343, 357, 427, 441, 455, 549, 585, 595, 637, 663, 735, 765, 793, 819, 833, 915, 1029, 1037, 1071, 1105, 1281, 1365, 1547, 1715, 1785, 1911, 1989, 2135, 2205, 2379, 2499, 2745, 2989, 3087, 3111, 3185, 3315, 3843, 3965, 4095, 4165, 4459, 4641, 5145, 5185, 5355, 5551, 5733, 5831, 6405, 7137, 7259, 7497, 7735, 8967, 9333, 9555, 9945, 10829, 11895, 12495, 13377, 13481, 13923, 14945, 15435, 15555, 16653, 17493, 19215, 20923, 21777, 22295, 23205, 26901, 27755, 28665, 29155, 32487, 35685, 36295, 37485, 38857, 40131, 40443, 44835, 46665, 49959, 50813, 52479, 54145, 62769, 65331, 66885, 67405, 69615, 75803, 83265, 87465, 94367, 97461, 104615, 108885, 116571, 121329, 134505, 152439, 162435, 188307, 194285, 200655, 202215, 227409, 249795, 254065, 262395, 271999, 283101, 313845, 326655, 349713, 355691, 379015, 457317, 471835, 487305, 582855, 606645, 660569, 682227, 762195, 815997, 849303, 941535, 1067073, 1137045, 1359995, 1415505, 1748565, 1778455, 1981707, 2286585, 2447991, 3201219, 3302845, 3411135, 4079985, 4246515, 4623983, 5335365, 5945121, 9908535, 12239955, 13871949, 16006095, 23119915, 29725605, 41615847, 69359745, 208079235]

約数ペア:

[(1, 208079235), (3, 69359745), (5, 41615847), (7, 29725605), (9, 23119915), (13, 16006095), (15, 13871949), (17, 12239955), (21, 9908535), (35, 5945121), (39, 5335365), (45, 4623983), (49, 4246515), (51, 4079985), (61, 3411135), (63, 3302845), (65, 3201219), (85, 2447991), (91, 2286585), (105, 1981707), (117, 1778455), (119, 1748565), (147, 1415505), (153, 1359995), (183, 1137045), (195, 1067073), (221, 941535), (245, 849303), (255, 815997), (273, 762195), (305, 682227), (315, 660569), (343, 606645), (357, 582855), (427, 487305), (441, 471835), (455, 457317), (549, 379015), (585, 355691), (595, 349713), (637, 326655), (663, 313845), (735, 283101), (765, 271999), (793, 262395), (819, 254065), (833, 249795), (915, 227409), (1029, 202215), (1037, 200655), (1071, 194285), (1105, 188307), (1281, 162435), (1365, 152439), (1547, 134505), (1715, 121329), (1785, 116571), (1911, 108885), (1989, 104615), (2135, 97461), (2205, 94367), (2379, 87465), (2499, 83265), (2745, 75803), (2989, 69615), (3087, 67405), (3111, 66885), (3185, 65331), (3315, 62769), (3843, 54145), (3965, 52479), (4095, 50813), (4165, 49959), (4459, 46665), (4641, 44835), (5145, 40443), (5185, 40131), (5355, 38857), (5551, 37485), (5733, 36295), (5831, 35685), (6405, 32487), (7137, 29155), (7259, 28665), (7497, 27755), (7735, 26901), (8967, 23205), (9333, 22295), (9555, 21777), (9945, 20923), (10829, 19215), (11895, 17493), (12495, 16653), (13377, 15555), (13481, 15435), (13923, 14945)]