140171920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{250307}}^1$

素因数の和:250327

約数の個数: 40

約数和(自身を含む): 372458304

約数和(自身を除く): 232286384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 250307, 500614, 1001228, 1251535, 1752149, 2002456, 2503070, 3504298, 4004912, 5006140, 7008596, 8760745, 10012280, 14017192, 17521490, 20024560, 28034384, 35042980, 70085960, 140171920]

約数ペア:

[(1, 140171920), (2, 70085960), (4, 35042980), (5, 28034384), (7, 20024560), (8, 17521490), (10, 14017192), (14, 10012280), (16, 8760745), (20, 7008596), (28, 5006140), (35, 4004912), (40, 3504298), (56, 2503070), (70, 2002456), (80, 1752149), (112, 1251535), (140, 1001228), (280, 500614), (560, 250307)]