428445920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{382541}}^1$

素因数の和:382563

約数の個数: 48

約数和(自身を含む): 1156807008

約数和(自身を除く): 728361088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 382541, 765082, 1530164, 1912705, 2677787, 3060328, 3825410, 5355574, 6120656, 7650820, 10711148, 12241312, 13388935, 15301640, 21422296, 26777870, 30603280, 42844592, 53555740, 61206560, 85689184, 107111480, 214222960, 428445920]

約数ペア:

[(1, 428445920), (2, 214222960), (4, 107111480), (5, 85689184), (7, 61206560), (8, 53555740), (10, 42844592), (14, 30603280), (16, 26777870), (20, 21422296), (28, 15301640), (32, 13388935), (35, 12241312), (40, 10711148), (56, 7650820), (70, 6120656), (80, 5355574), (112, 3825410), (140, 3060328), (160, 2677787), (224, 1912705), (280, 1530164), (560, 765082), (1120, 382541)]