1997647550

素因数分解:

$2^1\times 5^2\times {\mathrm{439}}^1\times {\mathrm{91009}}^1$

素因数の和:91460

約数の個数: 24

約数和(自身を含む): 3724129200

約数和(自身を除く): 1726481650

約数列:

[1, 2, 5, 10, 25, 50, 439, 878, 2195, 4390, 10975, 21950, 91009, 182018, 455045, 910090, 2275225, 4550450, 39952951, 79905902, 199764755, 399529510, 998823775, 1997647550]

約数ペア:

[(1, 1997647550), (2, 998823775), (5, 399529510), (10, 199764755), (25, 79905902), (50, 39952951), (439, 4550450), (878, 2275225), (2195, 910090), (4390, 455045), (10975, 182018), (21950, 91009)]