54417020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{388693}}^1$

素因数の和:388709

約数の個数: 24

約数和(自身を含む): 130601184

約数和(自身を除く): 76184164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 388693, 777386, 1554772, 1943465, 2720851, 3886930, 5441702, 7773860, 10883404, 13604255, 27208510, 54417020]

約数ペア:

[(1, 54417020), (2, 27208510), (4, 13604255), (5, 10883404), (7, 7773860), (10, 5441702), (14, 3886930), (20, 2720851), (28, 1943465), (35, 1554772), (70, 777386), (140, 388693)]