161752780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1155377}}^1$

素因数の和:1155393

約数の個数: 24

約数和(自身を含む): 388207008

約数和(自身を除く): 226454228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1155377, 2310754, 4621508, 5776885, 8087639, 11553770, 16175278, 23107540, 32350556, 40438195, 80876390, 161752780]

約数ペア:

[(1, 161752780), (2, 80876390), (4, 40438195), (5, 32350556), (7, 23107540), (10, 16175278), (14, 11553770), (20, 8087639), (28, 5776885), (35, 4621508), (70, 2310754), (140, 1155377)]