90309010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{820991}}^1$

素因数の和:821009

約数の個数: 16

約数和(自身を含む): 177334272

約数和(自身を除く): 87025262

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 820991, 1641982, 4104955, 8209910, 9030901, 18061802, 45154505, 90309010]

約数ペア:

[(1, 90309010), (2, 45154505), (5, 18061802), (10, 9030901), (11, 8209910), (22, 4104955), (55, 1641982), (110, 820991)]