123456620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{881833}}^1$

素因数の和:881849

約数の個数: 24

約数和(自身を含む): 296296224

約数和(自身を除く): 172839604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 881833, 1763666, 3527332, 4409165, 6172831, 8818330, 12345662, 17636660, 24691324, 30864155, 61728310, 123456620]

約数ペア:

[(1, 123456620), (2, 61728310), (4, 30864155), (5, 24691324), (7, 17636660), (10, 12345662), (14, 8818330), (20, 6172831), (28, 4409165), (35, 3527332), (70, 1763666), (140, 881833)]