8999620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{64283}}^1$

素因数の和:64299

約数の個数: 24

約数和(自身を含む): 21599424

約数和(自身を除く): 12599804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 64283, 128566, 257132, 321415, 449981, 642830, 899962, 1285660, 1799924, 2249905, 4499810, 8999620]

約数ペア:

[(1, 8999620), (2, 4499810), (4, 2249905), (5, 1799924), (7, 1285660), (10, 899962), (14, 642830), (20, 449981), (28, 321415), (35, 257132), (70, 128566), (140, 64283)]