1974360740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{218887}}^1$

素因数の和:218948

約数の個数: 48

約数和(自身を含む): 4633421184

約数和(自身を除く): 2659060444

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 9020, 218887, 437774, 875548, 1094435, 2188870, 2407757, 4377740, 4815514, 8974367, 9631028, 12038785, 17948734, 24077570, 35897468, 44871835, 48155140, 89743670, 98718037, 179487340, 197436074, 394872148, 493590185, 987180370, 1974360740]

約数ペア:

[(1, 1974360740), (2, 987180370), (4, 493590185), (5, 394872148), (10, 197436074), (11, 179487340), (20, 98718037), (22, 89743670), (41, 48155140), (44, 44871835), (55, 35897468), (82, 24077570), (110, 17948734), (164, 12038785), (205, 9631028), (220, 8974367), (410, 4815514), (451, 4377740), (820, 2407757), (902, 2188870), (1804, 1094435), (2255, 875548), (4510, 437774), (9020, 218887)]