85387820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{609913}}^1$

素因数の和:609929

約数の個数: 24

約数和(自身を含む): 204931104

約数和(自身を除く): 119543284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 609913, 1219826, 2439652, 3049565, 4269391, 6099130, 8538782, 12198260, 17077564, 21346955, 42693910, 85387820]

約数ペア:

[(1, 85387820), (2, 42693910), (4, 21346955), (5, 17077564), (7, 12198260), (10, 8538782), (14, 6099130), (20, 4269391), (28, 3049565), (35, 2439652), (70, 1219826), (140, 609913)]