215703070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{2003}}^1$

素因数の和:2121

約数の個数: 48

約数和(自身を含む): 431781840

約数和(自身を除く): 216078770

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 121, 178, 242, 445, 605, 890, 979, 1210, 1958, 2003, 4006, 4895, 9790, 10015, 10769, 20030, 21538, 22033, 44066, 53845, 107690, 110165, 178267, 220330, 242363, 356534, 484726, 891335, 1211815, 1782670, 1960937, 2423630, 3921874, 9804685, 19609370, 21570307, 43140614, 107851535, 215703070]

約数ペア:

[(1, 215703070), (2, 107851535), (5, 43140614), (10, 21570307), (11, 19609370), (22, 9804685), (55, 3921874), (89, 2423630), (110, 1960937), (121, 1782670), (178, 1211815), (242, 891335), (445, 484726), (605, 356534), (890, 242363), (979, 220330), (1210, 178267), (1958, 110165), (2003, 107690), (4006, 53845), (4895, 44066), (9790, 22033), (10015, 21538), (10769, 20030)]