218980225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{461011}}^1$

素因数の和:461040

約数の個数: 12

約数和(自身を含む): 285827440

約数和(自身を除く): 66847215

約数列:

[1, 5, 19, 25, 95, 475, 461011, 2305055, 8759209, 11525275, 43796045, 218980225]

約数ペア:

[(1, 218980225), (5, 43796045), (19, 11525275), (25, 8759209), (95, 2305055), (475, 461011)]