489912410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{289889}}^1$

素因数の和:289922

約数の個数: 24

約数和(自身を含む): 954897660

約数和(自身を除く): 464985250

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 289889, 579778, 1449445, 2898890, 3768557, 7537114, 18842785, 37685570, 48991241, 97982482, 244956205, 489912410]

約数ペア:

[(1, 489912410), (2, 244956205), (5, 97982482), (10, 48991241), (13, 37685570), (26, 18842785), (65, 7537114), (130, 3768557), (169, 2898890), (338, 1449445), (845, 579778), (1690, 289889)]