161773180

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{42349}}^1$

素因数の和:42549

約数の個数: 24

約数和(自身を含む): 341510400

約数和(自身を除く): 179737220

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 42349, 84698, 169396, 211745, 423490, 846980, 8088659, 16177318, 32354636, 40443295, 80886590, 161773180]

約数ペア:

[(1, 161773180), (2, 80886590), (4, 40443295), (5, 32354636), (10, 16177318), (20, 8088659), (191, 846980), (382, 423490), (764, 211745), (955, 169396), (1910, 84698), (3820, 42349)]