716240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1279}}^1$

素因数の和:1299

約数の個数: 40

約数和(自身を含む): 1904640

約数和(自身を除く): 1188400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1279, 2558, 5116, 6395, 8953, 10232, 12790, 17906, 20464, 25580, 35812, 44765, 51160, 71624, 89530, 102320, 143248, 179060, 358120, 716240]

約数ペア:

[(1, 716240), (2, 358120), (4, 179060), (5, 143248), (7, 102320), (8, 89530), (10, 71624), (14, 51160), (16, 44765), (20, 35812), (28, 25580), (35, 20464), (40, 17906), (56, 12790), (70, 10232), (80, 8953), (112, 6395), (140, 5116), (280, 2558), (560, 1279)]