4945090

素因数分解:

$2^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{991}}^1$

素因数の和:1497

約数の個数: 16

約数和(自身を含む): 8928000

約数和(自身を除く): 3982910

約数列:

[1, 2, 5, 10, 499, 991, 998, 1982, 2495, 4955, 4990, 9910, 494509, 989018, 2472545, 4945090]

約数ペア:

[(1, 4945090), (2, 2472545), (5, 989018), (10, 494509), (499, 9910), (991, 4990), (998, 4955), (1982, 2495)]