408045140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1073803}}^1$

素因数の和:1073831

約数の個数: 24

約数和(自身を含む): 901995360

約数和(自身を除く): 493950220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1073803, 2147606, 4295212, 5369015, 10738030, 20402257, 21476060, 40804514, 81609028, 102011285, 204022570, 408045140]

約数ペア:

[(1, 408045140), (2, 204022570), (4, 102011285), (5, 81609028), (10, 40804514), (19, 21476060), (20, 20402257), (38, 10738030), (76, 5369015), (95, 4295212), (190, 2147606), (380, 1073803)]