749001880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{8641}}^1$

素因数の和:8860

約数の個数: 64

約数和(自身を含む): 1848005280

約数和(自身を除く): 1099003400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 197, 220, 394, 440, 788, 985, 1576, 1970, 2167, 3940, 4334, 7880, 8641, 8668, 10835, 17282, 17336, 21670, 34564, 43205, 43340, 69128, 86410, 86680, 95051, 172820, 190102, 345640, 380204, 475255, 760408, 950510, 1702277, 1901020, 3404554, 3802040, 6809108, 8511385, 13618216, 17022770, 18725047, 34045540, 37450094, 68091080, 74900188, 93625235, 149800376, 187250470, 374500940, 749001880]

約数ペア:

[(1, 749001880), (2, 374500940), (4, 187250470), (5, 149800376), (8, 93625235), (10, 74900188), (11, 68091080), (20, 37450094), (22, 34045540), (40, 18725047), (44, 17022770), (55, 13618216), (88, 8511385), (110, 6809108), (197, 3802040), (220, 3404554), (394, 1901020), (440, 1702277), (788, 950510), (985, 760408), (1576, 475255), (1970, 380204), (2167, 345640), (3940, 190102), (4334, 172820), (7880, 95051), (8641, 86680), (8668, 86410), (10835, 69128), (17282, 43340), (17336, 43205), (21670, 34564)]