4390990

素因数分解:

$2^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{769}}^1$

素因数の和:1347

約数の個数: 16

約数和(自身を含む): 7927920

約数和(自身を除く): 3536930

約数列:

[1, 2, 5, 10, 571, 769, 1142, 1538, 2855, 3845, 5710, 7690, 439099, 878198, 2195495, 4390990]

約数ペア:

[(1, 4390990), (2, 2195495), (5, 878198), (10, 439099), (571, 7690), (769, 5710), (1142, 3845), (1538, 2855)]