1245312440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1638569}}^1$

素因数の和:1638599

約数の個数: 32

約数和(自身を含む): 2949426000

約数和(自身を除く): 1704113560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1638569, 3277138, 6554276, 8192845, 13108552, 16385690, 31132811, 32771380, 62265622, 65542760, 124531244, 155664055, 249062488, 311328110, 622656220, 1245312440]

約数ペア:

[(1, 1245312440), (2, 622656220), (4, 311328110), (5, 249062488), (8, 155664055), (10, 124531244), (19, 65542760), (20, 62265622), (38, 32771380), (40, 31132811), (76, 16385690), (95, 13108552), (152, 8192845), (190, 6554276), (380, 3277138), (760, 1638569)]