140816620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1005833}}^1$

素因数の和:1005849

約数の個数: 24

約数和(自身を含む): 337960224

約数和(自身を除く): 197143604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1005833, 2011666, 4023332, 5029165, 7040831, 10058330, 14081662, 20116660, 28163324, 35204155, 70408310, 140816620]

約数ペア:

[(1, 140816620), (2, 70408310), (4, 35204155), (5, 28163324), (7, 20116660), (10, 14081662), (14, 10058330), (20, 7040831), (28, 5029165), (35, 4023332), (70, 2011666), (140, 1005833)]