4409980

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{709}}^1$

素因数の和:1029

約数の個数: 24

約数和(自身を含む): 9303840

約数和(自身を除く): 4893860

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 709, 1244, 1418, 1555, 2836, 3110, 3545, 6220, 7090, 14180, 220499, 440998, 881996, 1102495, 2204990, 4409980]

約数ペア:

[(1, 4409980), (2, 2204990), (4, 1102495), (5, 881996), (10, 440998), (20, 220499), (311, 14180), (622, 7090), (709, 6220), (1244, 3545), (1418, 3110), (1555, 2836)]