209400410

素因数分解:

$2^1\times 5^1\times {\mathrm{977}}^1\times {\mathrm{21433}}^1$

素因数の和:22417

約数の個数: 16

約数和(自身を含む): 377324136

約数和(自身を除く): 167923726

約数列:

[1, 2, 5, 10, 977, 1954, 4885, 9770, 21433, 42866, 107165, 214330, 20940041, 41880082, 104700205, 209400410]

約数ペア:

[(1, 209400410), (2, 104700205), (5, 41880082), (10, 20940041), (977, 214330), (1954, 107165), (4885, 42866), (9770, 21433)]