289390178

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:316

約数の個数: 96

約数和(自身を含む): 590976000

約数和(自身を除く): 301585822

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 49, 71, 77, 98, 133, 142, 154, 199, 209, 266, 398, 418, 497, 539, 781, 931, 994, 1078, 1349, 1393, 1463, 1562, 1862, 2189, 2698, 2786, 2926, 3479, 3781, 4378, 5467, 6958, 7562, 9443, 9751, 10241, 10934, 14129, 14839, 15323, 18886, 19502, 20482, 26467, 28258, 29678, 30646, 38269, 41591, 52934, 66101, 76538, 83182, 98903, 103873, 107261, 132202, 155419, 185269, 197806, 207746, 214522, 268451, 291137, 310838, 370538, 536902, 582274, 692321, 727111, 1087933, 1384642, 1454222, 1879157, 2037959, 2175866, 2952961, 3758314, 4075918, 5905922, 7615531, 13154099, 15231062, 20670727, 26308198, 41341454, 144695089, 289390178]

約数ペア:

[(1, 289390178), (2, 144695089), (7, 41341454), (11, 26308198), (14, 20670727), (19, 15231062), (22, 13154099), (38, 7615531), (49, 5905922), (71, 4075918), (77, 3758314), (98, 2952961), (133, 2175866), (142, 2037959), (154, 1879157), (199, 1454222), (209, 1384642), (266, 1087933), (398, 727111), (418, 692321), (497, 582274), (539, 536902), (781, 370538), (931, 310838), (994, 291137), (1078, 268451), (1349, 214522), (1393, 207746), (1463, 197806), (1562, 185269), (1862, 155419), (2189, 132202), (2698, 107261), (2786, 103873), (2926, 98903), (3479, 83182), (3781, 76538), (4378, 66101), (5467, 52934), (6958, 41591), (7562, 38269), (9443, 30646), (9751, 29678), (10241, 28258), (10934, 26467), (14129, 20482), (14839, 19502), (15323, 18886)]