61442780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{438877}}^1$

素因数の和:438893

約数の個数: 24

約数和(自身を含む): 147463008

約数和(自身を除く): 86020228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 438877, 877754, 1755508, 2194385, 3072139, 4388770, 6144278, 8777540, 12288556, 15360695, 30721390, 61442780]

約数ペア:

[(1, 61442780), (2, 30721390), (4, 15360695), (5, 12288556), (7, 8777540), (10, 6144278), (14, 4388770), (20, 3072139), (28, 2194385), (35, 1755508), (70, 877754), (140, 438877)]