117680180

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{42331}}^1$

素因数の和:42479

約数の個数: 24

約数和(自身を含む): 248912160

約数和(自身を除く): 131231980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 42331, 84662, 169324, 211655, 423310, 846620, 5884009, 11768018, 23536036, 29420045, 58840090, 117680180]

約数ペア:

[(1, 117680180), (2, 58840090), (4, 29420045), (5, 23536036), (10, 11768018), (20, 5884009), (139, 846620), (278, 423310), (556, 211655), (695, 169324), (1390, 84662), (2780, 42331)]