2177290

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{911}}^1$

素因数の和:1157

約数の個数: 16

約数和(自身を含む): 3939840

約数和(自身を除く): 1762550

約数列:

[1, 2, 5, 10, 239, 478, 911, 1195, 1822, 2390, 4555, 9110, 217729, 435458, 1088645, 2177290]

約数ペア:

[(1, 2177290), (2, 1088645), (5, 435458), (10, 217729), (239, 9110), (478, 4555), (911, 2390), (1195, 1822)]