208065580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{2837}}^1$

素因数の和:3058

約数の個数: 48

約数和(自身を含む): 462480480

約数和(自身を除く): 254414900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 193, 380, 386, 772, 965, 1930, 2837, 3667, 3860, 5674, 7334, 11348, 14185, 14668, 18335, 28370, 36670, 53903, 56740, 73340, 107806, 215612, 269515, 539030, 547541, 1078060, 1095082, 2190164, 2737705, 5475410, 10403279, 10950820, 20806558, 41613116, 52016395, 104032790, 208065580]

約数ペア:

[(1, 208065580), (2, 104032790), (4, 52016395), (5, 41613116), (10, 20806558), (19, 10950820), (20, 10403279), (38, 5475410), (76, 2737705), (95, 2190164), (190, 1095082), (193, 1078060), (380, 547541), (386, 539030), (772, 269515), (965, 215612), (1930, 107806), (2837, 73340), (3667, 56740), (3860, 53903), (5674, 36670), (7334, 28370), (11348, 18335), (14185, 14668)]