490454965

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13999}}^1$

素因数の和:14042

約数の個数: 48

約数和(自身を含む): 804384000

約数和(自身を除く): 313929035

約数列:

[1, 5, 7, 11, 13, 35, 49, 55, 65, 77, 91, 143, 245, 385, 455, 539, 637, 715, 1001, 2695, 3185, 5005, 7007, 13999, 35035, 69995, 97993, 153989, 181987, 489965, 685951, 769945, 909935, 1077923, 1273909, 2001857, 3429755, 5389615, 6369545, 7545461, 8917363, 10009285, 14012999, 37727305, 44586815, 70064995, 98090993, 490454965]

約数ペア:

[(1, 490454965), (5, 98090993), (7, 70064995), (11, 44586815), (13, 37727305), (35, 14012999), (49, 10009285), (55, 8917363), (65, 7545461), (77, 6369545), (91, 5389615), (143, 3429755), (245, 2001857), (385, 1273909), (455, 1077923), (539, 909935), (637, 769945), (715, 685951), (1001, 489965), (2695, 181987), (3185, 153989), (5005, 97993), (7007, 69995), (13999, 35035)]