331587280

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{29819}}^1$

素因数の和:29971

約数の個数: 40

約数和(自身を含む): 776512800

約数和(自身を除く): 444925520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 11120, 29819, 59638, 119276, 149095, 238552, 298190, 477104, 596380, 1192760, 2385520, 4144841, 8289682, 16579364, 20724205, 33158728, 41448410, 66317456, 82896820, 165793640, 331587280]

約数ペア:

[(1, 331587280), (2, 165793640), (4, 82896820), (5, 66317456), (8, 41448410), (10, 33158728), (16, 20724205), (20, 16579364), (40, 8289682), (80, 4144841), (139, 2385520), (278, 1192760), (556, 596380), (695, 477104), (1112, 298190), (1390, 238552), (2224, 149095), (2780, 119276), (5560, 59638), (11120, 29819)]