384909940

素因数分解:

$2^2\times 5^1\times {\mathrm{1811}}^1\times {\mathrm{10627}}^1$

素因数の和:12447

約数の個数: 24

約数和(自身を含む): 808833312

約数和(自身を除く): 423923372

約数列:

[1, 2, 4, 5, 10, 20, 1811, 3622, 7244, 9055, 10627, 18110, 21254, 36220, 42508, 53135, 106270, 212540, 19245497, 38490994, 76981988, 96227485, 192454970, 384909940]

約数ペア:

[(1, 384909940), (2, 192454970), (4, 96227485), (5, 76981988), (10, 38490994), (20, 19245497), (1811, 212540), (3622, 106270), (7244, 53135), (9055, 42508), (10627, 36220), (18110, 21254)]