129471020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{924793}}^1$

素因数の和:924809

約数の個数: 24

約数和(自身を含む): 310730784

約数和(自身を除く): 181259764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 924793, 1849586, 3699172, 4623965, 6473551, 9247930, 12947102, 18495860, 25894204, 32367755, 64735510, 129471020]

約数ペア:

[(1, 129471020), (2, 64735510), (4, 32367755), (5, 25894204), (7, 18495860), (10, 12947102), (14, 9247930), (20, 6473551), (28, 4623965), (35, 3699172), (70, 1849586), (140, 924793)]