2989580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 6967296

約数和(自身を除く): 3977716

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 127, 214, 220, 254, 428, 508, 535, 635, 1070, 1177, 1270, 1397, 2140, 2354, 2540, 2794, 4708, 5588, 5885, 6985, 11770, 13589, 13970, 23540, 27178, 27940, 54356, 67945, 135890, 149479, 271780, 298958, 597916, 747395, 1494790, 2989580]

約数ペア:

[(1, 2989580), (2, 1494790), (4, 747395), (5, 597916), (10, 298958), (11, 271780), (20, 149479), (22, 135890), (44, 67945), (55, 54356), (107, 27940), (110, 27178), (127, 23540), (214, 13970), (220, 13589), (254, 11770), (428, 6985), (508, 5885), (535, 5588), (635, 4708), (1070, 2794), (1177, 2540), (1270, 2354), (1397, 2140)]