199180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{433}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 437472

約数和(自身を除く): 238292

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 433, 460, 866, 1732, 2165, 4330, 8660, 9959, 19918, 39836, 49795, 99590, 199180]

約数ペア:

[(1, 199180), (2, 99590), (4, 49795), (5, 39836), (10, 19918), (20, 9959), (23, 8660), (46, 4330), (92, 2165), (115, 1732), (230, 866), (433, 460)]