1519294220

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{397721}}^1$

素因数の和:397921

約数の個数: 24

約数和(自身を含む): 3207230208

約数和(自身を除く): 1687935988

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 397721, 795442, 1590884, 1988605, 3977210, 7954420, 75964711, 151929422, 303858844, 379823555, 759647110, 1519294220]

約数ペア:

[(1, 1519294220), (2, 759647110), (4, 379823555), (5, 303858844), (10, 151929422), (20, 75964711), (191, 7954420), (382, 3977210), (764, 1988605), (955, 1590884), (1910, 795442), (3820, 397721)]