219617480

素因数分解:

$2^3\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{5051}}^1$

素因数の和:6149

約数の個数: 32

約数和(自身を含む): 494691840

約数和(自身を除く): 275074360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1087, 2174, 4348, 5051, 5435, 8696, 10102, 10870, 20204, 21740, 25255, 40408, 43480, 50510, 101020, 202040, 5490437, 10980874, 21961748, 27452185, 43923496, 54904370, 109808740, 219617480]

約数ペア:

[(1, 219617480), (2, 109808740), (4, 54904370), (5, 43923496), (8, 27452185), (10, 21961748), (20, 10980874), (40, 5490437), (1087, 202040), (2174, 101020), (4348, 50510), (5051, 43480), (5435, 40408), (8696, 25255), (10102, 21740), (10870, 20204)]