12996500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:186

約数の個数: 96

約数和(自身を含む): 33022080

約数和(自身を除く): 20025580

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 68, 85, 100, 110, 125, 139, 170, 187, 220, 250, 275, 278, 340, 374, 425, 500, 550, 556, 695, 748, 850, 935, 1100, 1375, 1390, 1529, 1700, 1870, 2125, 2363, 2750, 2780, 3058, 3475, 3740, 4250, 4675, 4726, 5500, 6116, 6950, 7645, 8500, 9350, 9452, 11815, 13900, 15290, 17375, 18700, 23375, 23630, 25993, 30580, 34750, 38225, 46750, 47260, 51986, 59075, 69500, 76450, 93500, 103972, 118150, 129965, 152900, 191125, 236300, 259930, 295375, 382250, 519860, 590750, 649825, 764500, 1181500, 1299650, 2599300, 3249125, 6498250, 12996500]

約数ペア:

[(1, 12996500), (2, 6498250), (4, 3249125), (5, 2599300), (10, 1299650), (11, 1181500), (17, 764500), (20, 649825), (22, 590750), (25, 519860), (34, 382250), (44, 295375), (50, 259930), (55, 236300), (68, 191125), (85, 152900), (100, 129965), (110, 118150), (125, 103972), (139, 93500), (170, 76450), (187, 69500), (220, 59075), (250, 51986), (275, 47260), (278, 46750), (340, 38225), (374, 34750), (425, 30580), (500, 25993), (550, 23630), (556, 23375), (695, 18700), (748, 17375), (850, 15290), (935, 13900), (1100, 11815), (1375, 9452), (1390, 9350), (1529, 8500), (1700, 7645), (1870, 6950), (2125, 6116), (2363, 5500), (2750, 4726), (2780, 4675), (3058, 4250), (3475, 3740)]