188070860

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{68639}}^1$

素因数の和:68785

約数の個数: 24

約数和(自身を含む): 397837440

約数和(自身を除く): 209766580

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 68639, 137278, 274556, 343195, 686390, 1372780, 9403543, 18807086, 37614172, 47017715, 94035430, 188070860]

約数ペア:

[(1, 188070860), (2, 94035430), (4, 47017715), (5, 37614172), (10, 18807086), (20, 9403543), (137, 1372780), (274, 686390), (548, 343195), (685, 274556), (1370, 137278), (2740, 68639)]