399987070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{5714101}}^1$

素因数の和:5714115

約数の個数: 16

約数和(自身を含む): 822830688

約数和(自身を除く): 422843618

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 5714101, 11428202, 28570505, 39998707, 57141010, 79997414, 199993535, 399987070]

約数ペア:

[(1, 399987070), (2, 199993535), (5, 79997414), (7, 57141010), (10, 39998707), (14, 28570505), (35, 11428202), (70, 5714101)]