2439490

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2741}}^1$

素因数の和:2837

約数の個数: 16

約数和(自身を含む): 4442040

約数和(自身を除く): 2002550

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 2741, 5482, 13705, 27410, 243949, 487898, 1219745, 2439490]

約数ペア:

[(1, 2439490), (2, 1219745), (5, 487898), (10, 243949), (89, 27410), (178, 13705), (445, 5482), (890, 2741)]