1972090

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{991}}^1$

素因数の和:1197

約数の個数: 16

約数和(自身を含む): 3571200

約数和(自身を除く): 1599110

約数列:

[1, 2, 5, 10, 199, 398, 991, 995, 1982, 1990, 4955, 9910, 197209, 394418, 986045, 1972090]

約数ペア:

[(1, 1972090), (2, 986045), (5, 394418), (10, 197209), (199, 9910), (398, 4955), (991, 1990), (995, 1982)]