127440140

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{46511}}^1$

素因数の和:46657

約数の個数: 24

約数和(自身を含む): 269583552

約数和(自身を除く): 142143412

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 46511, 93022, 186044, 232555, 465110, 930220, 6372007, 12744014, 25488028, 31860035, 63720070, 127440140]

約数ペア:

[(1, 127440140), (2, 63720070), (4, 31860035), (5, 25488028), (10, 12744014), (20, 6372007), (137, 930220), (274, 465110), (548, 232555), (685, 186044), (1370, 93022), (2740, 46511)]