2783456620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19881833}}^1$

素因数の和:19881849

約数の個数: 24

約数和(自身を含む): 6680296224

約数和(自身を除く): 3896839604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 19881833, 39763666, 79527332, 99409165, 139172831, 198818330, 278345662, 397636660, 556691324, 695864155, 1391728310, 2783456620]

約数ペア:

[(1, 2783456620), (2, 1391728310), (4, 695864155), (5, 556691324), (7, 397636660), (10, 278345662), (14, 198818330), (20, 139172831), (28, 99409165), (35, 79527332), (70, 39763666), (140, 19881833)]