174865225

素因数分解:

$5^2\times {\mathrm{389}}^1\times {\mathrm{17981}}^1$

素因数の和:18380

約数の個数: 12

約数和(自身を含む): 217402380

約数和(自身を除く): 42537155

約数列:

[1, 5, 25, 389, 1945, 9725, 17981, 89905, 449525, 6994609, 34973045, 174865225]

約数ペア:

[(1, 174865225), (5, 34973045), (25, 6994609), (389, 449525), (1945, 89905), (9725, 17981)]