890451370

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{447463}}^1$

素因数の和:447669

約数の個数: 16

約数和(自身を含む): 1610870400

約数和(自身を除く): 720419030

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 447463, 894926, 2237315, 4474630, 89045137, 178090274, 445225685, 890451370]

約数ペア:

[(1, 890451370), (2, 445225685), (5, 178090274), (10, 89045137), (199, 4474630), (398, 2237315), (995, 894926), (1990, 447463)]