139701680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{91909}}^1$

素因数の和:91941

約数の個数: 40

約数和(自身を含む): 341905200

約数和(自身を除く): 202203520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 91909, 183818, 367636, 459545, 735272, 919090, 1470544, 1746271, 1838180, 3492542, 3676360, 6985084, 7352720, 8731355, 13970168, 17462710, 27940336, 34925420, 69850840, 139701680]

約数ペア:

[(1, 139701680), (2, 69850840), (4, 34925420), (5, 27940336), (8, 17462710), (10, 13970168), (16, 8731355), (19, 7352720), (20, 6985084), (38, 3676360), (40, 3492542), (76, 1838180), (80, 1746271), (95, 1470544), (152, 919090), (190, 735272), (304, 459545), (380, 367636), (760, 183818), (1520, 91909)]