3962090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 7862400

約数和(自身を除く): 3900310

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 181, 199, 362, 398, 905, 995, 1810, 1990, 1991, 2189, 3982, 4378, 9955, 10945, 19910, 21890, 36019, 72038, 180095, 360190, 396209, 792418, 1981045, 3962090]

約数ペア:

[(1, 3962090), (2, 1981045), (5, 792418), (10, 396209), (11, 360190), (22, 180095), (55, 72038), (110, 36019), (181, 21890), (199, 19910), (362, 10945), (398, 9955), (905, 4378), (995, 3982), (1810, 2189), (1990, 1991)]