4392860

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1399}}^1$

素因数の和:1565

約数の個数: 24

約数和(自身を含む): 9290400

約数和(自身を除く): 4897540

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1399, 1570, 2798, 3140, 5596, 6995, 13990, 27980, 219643, 439286, 878572, 1098215, 2196430, 4392860]

約数ペア:

[(1, 4392860), (2, 2196430), (4, 1098215), (5, 878572), (10, 439286), (20, 219643), (157, 27980), (314, 13990), (628, 6995), (785, 5596), (1399, 3140), (1570, 2798)]