28156660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{201119}}^1$

素因数の和:201135

約数の個数: 24

約数和(自身を含む): 67576320

約数和(自身を除く): 39419660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 201119, 402238, 804476, 1005595, 1407833, 2011190, 2815666, 4022380, 5631332, 7039165, 14078330, 28156660]

約数ペア:

[(1, 28156660), (2, 14078330), (4, 7039165), (5, 5631332), (7, 4022380), (10, 2815666), (14, 2011190), (20, 1407833), (28, 1005595), (35, 804476), (70, 402238), (140, 201119)]