89485670

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1\times {\mathrm{499}}^1$

素因数の和:812

約数の個数: 32

約数和(自身を含む): 164160000

約数和(自身を除く): 74674330

約数列:

[1, 2, 5, 10, 79, 158, 227, 395, 454, 499, 790, 998, 1135, 2270, 2495, 4990, 17933, 35866, 39421, 78842, 89665, 113273, 179330, 197105, 226546, 394210, 566365, 1132730, 8948567, 17897134, 44742835, 89485670]

約数ペア:

[(1, 89485670), (2, 44742835), (5, 17897134), (10, 8948567), (79, 1132730), (158, 566365), (227, 394210), (395, 226546), (454, 197105), (499, 179330), (790, 113273), (998, 89665), (1135, 78842), (2270, 39421), (2495, 35866), (4990, 17933)]