577780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4127}}^1$

素因数の和:4143

約数の個数: 24

約数和(自身を含む): 1387008

約数和(自身を除く): 809228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4127, 8254, 16508, 20635, 28889, 41270, 57778, 82540, 115556, 144445, 288890, 577780]

約数ペア:

[(1, 577780), (2, 288890), (4, 144445), (5, 115556), (7, 82540), (10, 57778), (14, 41270), (20, 28889), (28, 20635), (35, 16508), (70, 8254), (140, 4127)]