128559620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{918283}}^1$

素因数の和:918299

約数の個数: 24

約数和(自身を含む): 308543424

約数和(自身を除く): 179983804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 918283, 1836566, 3673132, 4591415, 6427981, 9182830, 12855962, 18365660, 25711924, 32139905, 64279810, 128559620]

約数ペア:

[(1, 128559620), (2, 64279810), (4, 32139905), (5, 25711924), (7, 18365660), (10, 12855962), (14, 9182830), (20, 6427981), (28, 4591415), (35, 3673132), (70, 1836566), (140, 918283)]