780980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2297}}^1$

素因数の和:2323

約数の個数: 24

約数和(自身を含む): 1737288

約数和(自身を除く): 956308

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 2297, 4594, 9188, 11485, 22970, 39049, 45940, 78098, 156196, 195245, 390490, 780980]

約数ペア:

[(1, 780980), (2, 390490), (4, 195245), (5, 156196), (10, 78098), (17, 45940), (20, 39049), (34, 22970), (68, 11485), (85, 9188), (170, 4594), (340, 2297)]