17804901425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{839}}^1\times {\mathrm{1039}}^1$

素因数の和:1950

約数の個数: 48

約数和(自身を含む): 23831808000

約数和(自身を除く): 6026906575

約数列:

[1, 5, 19, 25, 43, 95, 215, 475, 817, 839, 1039, 1075, 4085, 4195, 5195, 15941, 19741, 20425, 20975, 25975, 36077, 44677, 79705, 98705, 180385, 223385, 398525, 493525, 685463, 848863, 871721, 901925, 1116925, 3427315, 4244315, 4358605, 16562699, 17136575, 21221575, 21793025, 37484003, 82813495, 187420015, 414067475, 712196057, 937100075, 3560980285, 17804901425]

約数ペア:

[(1, 17804901425), (5, 3560980285), (19, 937100075), (25, 712196057), (43, 414067475), (95, 187420015), (215, 82813495), (475, 37484003), (817, 21793025), (839, 21221575), (1039, 17136575), (1075, 16562699), (4085, 4358605), (4195, 4244315), (5195, 3427315), (15941, 1116925), (19741, 901925), (20425, 871721), (20975, 848863), (25975, 685463), (36077, 493525), (44677, 398525), (79705, 223385), (98705, 180385)]