680428

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1279}}^1$

素因数の和:1309

約数の個数: 24

約数和(自身を含む): 1433600

約数和(自身を除く): 753172

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 1279, 2558, 5116, 8953, 17906, 24301, 35812, 48602, 97204, 170107, 340214, 680428]

約数ペア:

[(1, 680428), (2, 340214), (4, 170107), (7, 97204), (14, 48602), (19, 35812), (28, 24301), (38, 17906), (76, 8953), (133, 5116), (266, 2558), (532, 1279)]