3553880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 8981280

約数和(自身を除く): 5427400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 197, 205, 220, 328, 394, 410, 440, 451, 788, 820, 902, 985, 1576, 1640, 1804, 1970, 2167, 2255, 3608, 3940, 4334, 4510, 7880, 8077, 8668, 9020, 10835, 16154, 17336, 18040, 21670, 32308, 40385, 43340, 64616, 80770, 86680, 88847, 161540, 177694, 323080, 355388, 444235, 710776, 888470, 1776940, 3553880]

約数ペア:

[(1, 3553880), (2, 1776940), (4, 888470), (5, 710776), (8, 444235), (10, 355388), (11, 323080), (20, 177694), (22, 161540), (40, 88847), (41, 86680), (44, 80770), (55, 64616), (82, 43340), (88, 40385), (110, 32308), (164, 21670), (197, 18040), (205, 17336), (220, 16154), (328, 10835), (394, 9020), (410, 8668), (440, 8077), (451, 7880), (788, 4510), (820, 4334), (902, 3940), (985, 3608), (1576, 2255), (1640, 2167), (1804, 1970)]