311950940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2228221}}^1$

素因数の和:2228237

約数の個数: 24

約数和(自身を含む): 748682592

約数和(自身を除く): 436731652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2228221, 4456442, 8912884, 11141105, 15597547, 22282210, 31195094, 44564420, 62390188, 77987735, 155975470, 311950940]

約数ペア:

[(1, 311950940), (2, 155975470), (4, 77987735), (5, 62390188), (7, 44564420), (10, 31195094), (14, 22282210), (20, 15597547), (28, 11141105), (35, 8912884), (70, 4456442), (140, 2228221)]