208078152205

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1\times {\mathrm{997}}^1$

素因数の和:1419

約数の個数: 128

約数和(自身を含む): 332400107520

約数和(自身を除く): 124321955315

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 103, 133, 209, 277, 385, 515, 665, 721, 997, 1045, 1133, 1385, 1463, 1939, 1957, 3047, 3605, 4985, 5263, 5665, 6979, 7315, 7931, 9695, 9785, 10967, 13699, 15235, 18943, 21329, 21527, 26315, 28531, 34895, 36841, 39655, 54835, 57893, 68495, 76769, 94715, 102691, 106645, 107635, 132601, 142655, 150689, 184205, 199717, 208373, 276169, 289465, 313841, 383845, 405251, 513455, 542089, 663005, 718837, 753445, 998585, 1041865, 1129601, 1380845, 1458611, 1569205, 1933183, 1951129, 2026255, 2196887, 2710445, 3037859, 3594185, 3794623, 5247211, 5648005, 5962979, 7293055, 7907207, 9665915, 9755645, 10984435, 13657903, 15189295, 18973115, 21265013, 21462419, 26236055, 28445407, 29814895, 36730477, 39536035, 41740853, 57719321, 68289515, 106325065, 107312095, 142227035, 150236933, 183652385, 199117849, 208704265, 288596605, 312899477, 404035247, 540462733, 751184665, 995589245, 1564497385, 2020176235, 2190296339, 2702313665, 3783239131, 5945090063, 10951481695, 18916195655, 29725450315, 41615630441, 208078152205]

約数ペア:

[(1, 208078152205), (5, 41615630441), (7, 29725450315), (11, 18916195655), (19, 10951481695), (35, 5945090063), (55, 3783239131), (77, 2702313665), (95, 2190296339), (103, 2020176235), (133, 1564497385), (209, 995589245), (277, 751184665), (385, 540462733), (515, 404035247), (665, 312899477), (721, 288596605), (997, 208704265), (1045, 199117849), (1133, 183652385), (1385, 150236933), (1463, 142227035), (1939, 107312095), (1957, 106325065), (3047, 68289515), (3605, 57719321), (4985, 41740853), (5263, 39536035), (5665, 36730477), (6979, 29814895), (7315, 28445407), (7931, 26236055), (9695, 21462419), (9785, 21265013), (10967, 18973115), (13699, 15189295), (15235, 13657903), (18943, 10984435), (21329, 9755645), (21527, 9665915), (26315, 7907207), (28531, 7293055), (34895, 5962979), (36841, 5648005), (39655, 5247211), (54835, 3794623), (57893, 3594185), (68495, 3037859), (76769, 2710445), (94715, 2196887), (102691, 2026255), (106645, 1951129), (107635, 1933183), (132601, 1569205), (142655, 1458611), (150689, 1380845), (184205, 1129601), (199717, 1041865), (208373, 998585), (276169, 753445), (289465, 718837), (313841, 663005), (383845, 542089), (405251, 513455)]