128703800

素因数分解:

$2^3\times 5^2\times {\mathrm{353}}^1\times {\mathrm{1823}}^1$

素因数の和:2192

約数の個数: 48

約数和(自身を含む): 300248640

約数和(自身を除く): 171544840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 353, 706, 1412, 1765, 1823, 2824, 3530, 3646, 7060, 7292, 8825, 9115, 14120, 14584, 17650, 18230, 35300, 36460, 45575, 70600, 72920, 91150, 182300, 364600, 643519, 1287038, 2574076, 3217595, 5148152, 6435190, 12870380, 16087975, 25740760, 32175950, 64351900, 128703800]

約数ペア:

[(1, 128703800), (2, 64351900), (4, 32175950), (5, 25740760), (8, 16087975), (10, 12870380), (20, 6435190), (25, 5148152), (40, 3217595), (50, 2574076), (100, 1287038), (200, 643519), (353, 364600), (706, 182300), (1412, 91150), (1765, 72920), (1823, 70600), (2824, 45575), (3530, 36460), (3646, 35300), (7060, 18230), (7292, 17650), (8825, 14584), (9115, 14120)]