2800630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{40009}}^1$

素因数の和:40023

約数の個数: 16

約数和(自身を含む): 5761440

約数和(自身を除く): 2960810

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 40009, 80018, 200045, 280063, 400090, 560126, 1400315, 2800630]

約数ペア:

[(1, 2800630), (2, 1400315), (5, 560126), (7, 400090), (10, 280063), (14, 200045), (35, 80018), (70, 40009)]