808632020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{303997}}^1$

素因数の和:304032

約数の個数: 48

約数和(自身を含む): 2042866560

約数和(自身を除く): 1234234540

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 303997, 607994, 1215988, 1519985, 2127979, 3039970, 4255958, 5775943, 6079940, 8511916, 10639895, 11551886, 21279790, 23103772, 28879715, 40431601, 42559580, 57759430, 80863202, 115518860, 161726404, 202158005, 404316010, 808632020]

約数ペア:

[(1, 808632020), (2, 404316010), (4, 202158005), (5, 161726404), (7, 115518860), (10, 80863202), (14, 57759430), (19, 42559580), (20, 40431601), (28, 28879715), (35, 23103772), (38, 21279790), (70, 11551886), (76, 10639895), (95, 8511916), (133, 6079940), (140, 5775943), (190, 4255958), (266, 3039970), (380, 2127979), (532, 1519985), (665, 1215988), (1330, 607994), (2660, 303997)]