1390857.00000000

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{439}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 26611200

約数和(自身を除く): 13735330

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 419, 439, 838, 878, 2095, 2195, 2933, 3073, 4190, 4390, 5866, 6146, 14665, 15365, 29330, 30730, 183941, 367882, 919705, 1287587, 1839410, 2575174, 6437935, 12875870]

約数ペア:

[(1, 12875870), (2, 6437935), (5, 2575174), (7, 1839410), (10, 1287587), (14, 919705), (35, 367882), (70, 183941), (419, 30730), (439, 29330), (838, 15365), (878, 14665), (2095, 6146), (2195, 5866), (2933, 4390), (3073, 4190)]