43859980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{115421}}^1$

素因数の和:115449

約数の個数: 24

約数和(自身を含む): 96954480

約数和(自身を除く): 53094500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 115421, 230842, 461684, 577105, 1154210, 2192999, 2308420, 4385998, 8771996, 10964995, 21929990, 43859980]

約数ペア:

[(1, 43859980), (2, 21929990), (4, 10964995), (5, 8771996), (10, 4385998), (19, 2308420), (20, 2192999), (38, 1154210), (76, 577105), (95, 461684), (190, 230842), (380, 115421)]