399985670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{5714081}}^1$

素因数の和:5714095

約数の個数: 16

約数和(自身を含む): 822827808

約数和(自身を除く): 422842138

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 5714081, 11428162, 28570405, 39998567, 57140810, 79997134, 199992835, 399985670]

約数ペア:

[(1, 399985670), (2, 199992835), (5, 79997134), (7, 57140810), (10, 39998567), (14, 28570405), (35, 11428162), (70, 5714081)]