78939110

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{415469}}^1$

素因数の和:415495

約数の個数: 16

約数和(自身を含む): 149569200

約数和(自身を除く): 70630090

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 415469, 830938, 2077345, 4154690, 7893911, 15787822, 39469555, 78939110]

約数ペア:

[(1, 78939110), (2, 39469555), (5, 15787822), (10, 7893911), (19, 4154690), (38, 2077345), (95, 830938), (190, 415469)]