122742220

素因数分解:

$2^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{7457}}^1$

素因数の和:8289

約数の個数: 24

約数和(自身を含む): 258106464

約数和(自身を除く): 135364244

約数列:

[1, 2, 4, 5, 10, 20, 823, 1646, 3292, 4115, 7457, 8230, 14914, 16460, 29828, 37285, 74570, 149140, 6137111, 12274222, 24548444, 30685555, 61371110, 122742220]

約数ペア:

[(1, 122742220), (2, 61371110), (4, 30685555), (5, 24548444), (10, 12274222), (20, 6137111), (823, 149140), (1646, 74570), (3292, 37285), (4115, 29828), (7457, 16460), (8230, 14914)]