190015780

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{68351}}^1$

素因数の和:68499

約数の個数: 24

約数和(自身を含む): 401909760

約数和(自身を除く): 211893980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 68351, 136702, 273404, 341755, 683510, 1367020, 9500789, 19001578, 38003156, 47503945, 95007890, 190015780]

約数ペア:

[(1, 190015780), (2, 95007890), (4, 47503945), (5, 38003156), (10, 19001578), (20, 9500789), (139, 1367020), (278, 683510), (556, 341755), (695, 273404), (1390, 136702), (2780, 68351)]