84980225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{309019}}^1$

素因数の和:309040

約数の個数: 12

約数和(自身を含む): 114955440

約数和(自身を除く): 29975215

約数列:

[1, 5, 11, 25, 55, 275, 309019, 1545095, 3399209, 7725475, 16996045, 84980225]

約数ペア:

[(1, 84980225), (5, 16996045), (11, 7725475), (25, 3399209), (55, 1545095), (275, 309019)]