279103660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{9127}}^1$

素因数の和:9286

約数の個数: 48

約数和(自身を含む): 644071680

約数和(自身を除く): 364968020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 556, 695, 1390, 1529, 2780, 3058, 6116, 7645, 9127, 15290, 18254, 30580, 36508, 45635, 91270, 100397, 182540, 200794, 401588, 501985, 1003970, 1268653, 2007940, 2537306, 5074612, 6343265, 12686530, 13955183, 25373060, 27910366, 55820732, 69775915, 139551830, 279103660]

約数ペア:

[(1, 279103660), (2, 139551830), (4, 69775915), (5, 55820732), (10, 27910366), (11, 25373060), (20, 13955183), (22, 12686530), (44, 6343265), (55, 5074612), (110, 2537306), (139, 2007940), (220, 1268653), (278, 1003970), (556, 501985), (695, 401588), (1390, 200794), (1529, 182540), (2780, 100397), (3058, 91270), (6116, 45635), (7645, 36508), (9127, 30580), (15290, 18254)]