340736

Appears in sequences

• Numbers of the form (4^i)*(11^j), with i, j >= 0.at n=32A107988
• a(n) = Product_{k=1..d(n)-1} lcm(b(k), b(k+1)), where b(k) is the k-th positive divisor of n and d(n) = the number of positive divisors of n.at n=43A136182
• Totally multiplicative sequence with a(p) = 2*(5p+1) = 10p+2 for prime p.at n=23A167337
• a(n) = floor(1/{(1+n^4)^(1/4)}), where {} = fractional part.at n=43A184536
• Numbers m such that, in the prime factorization of m, the product of the exponents equals the sum of prime factors and exponents.at n=29A231231
• Numbers such that (sum + product) of all their prime factors equals (sum + product) of all exponents in their prime factorization.at n=31A272818
• Numbers m such that Product(1 + p_i) = Product(1 + e_i), where m = Product((p_i)^e_i).at n=37A272858