31978660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{228419}}^1$

素因数の和:228435

約数の個数: 24

約数和(自身を含む): 76749120

約数和(自身を除く): 44770460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 228419, 456838, 913676, 1142095, 1598933, 2284190, 3197866, 4568380, 6395732, 7994665, 15989330, 31978660]

約数ペア:

[(1, 31978660), (2, 15989330), (4, 7994665), (5, 6395732), (7, 4568380), (10, 3197866), (14, 2284190), (20, 1598933), (28, 1142095), (35, 913676), (70, 456838), (140, 228419)]