98749640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 256608000

約数和(自身を除く): 157858360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 71, 88, 109, 110, 116, 142, 145, 218, 220, 232, 284, 290, 319, 355, 436, 440, 545, 568, 580, 638, 710, 781, 872, 1090, 1160, 1199, 1276, 1420, 1562, 1595, 2059, 2180, 2398, 2552, 2840, 3124, 3161, 3190, 3905, 4118, 4360, 4796, 5995, 6248, 6322, 6380, 7739, 7810, 8236, 9592, 10295, 11990, 12644, 12760, 15478, 15620, 15805, 16472, 20590, 22649, 23980, 25288, 30956, 31240, 31610, 34771, 38695, 41180, 45298, 47960, 61912, 63220, 69542, 77390, 82360, 85129, 90596, 113245, 126440, 139084, 154780, 170258, 173855, 181192, 224431, 226490, 278168, 309560, 340516, 347710, 425645, 448862, 452980, 681032, 695420, 851290, 897724, 905960, 1122155, 1390840, 1702580, 1795448, 2244310, 2468741, 3405160, 4488620, 4937482, 8977240, 9874964, 12343705, 19749928, 24687410, 49374820, 98749640]

約数ペア:

[(1, 98749640), (2, 49374820), (4, 24687410), (5, 19749928), (8, 12343705), (10, 9874964), (11, 8977240), (20, 4937482), (22, 4488620), (29, 3405160), (40, 2468741), (44, 2244310), (55, 1795448), (58, 1702580), (71, 1390840), (88, 1122155), (109, 905960), (110, 897724), (116, 851290), (142, 695420), (145, 681032), (218, 452980), (220, 448862), (232, 425645), (284, 347710), (290, 340516), (319, 309560), (355, 278168), (436, 226490), (440, 224431), (545, 181192), (568, 173855), (580, 170258), (638, 154780), (710, 139084), (781, 126440), (872, 113245), (1090, 90596), (1160, 85129), (1199, 82360), (1276, 77390), (1420, 69542), (1562, 63220), (1595, 61912), (2059, 47960), (2180, 45298), (2398, 41180), (2552, 38695), (2840, 34771), (3124, 31610), (3161, 31240), (3190, 30956), (3905, 25288), (4118, 23980), (4360, 22649), (4796, 20590), (5995, 16472), (6248, 15805), (6322, 15620), (6380, 15478), (7739, 12760), (7810, 12644), (8236, 11990), (9592, 10295)]