7223540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5087}}^1$

素因数の和:5167

約数の個数: 24

約数和(自身を含む): 15386112

約数和(自身を除く): 8162572

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 5087, 10174, 20348, 25435, 50870, 101740, 361177, 722354, 1444708, 1805885, 3611770, 7223540]

約数ペア:

[(1, 7223540), (2, 3611770), (4, 1805885), (5, 1444708), (10, 722354), (20, 361177), (71, 101740), (142, 50870), (284, 25435), (355, 20348), (710, 10174), (1420, 5087)]