209250460

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{132437}}^1$

素因数の和:132525

約数の個数: 24

約数和(自身を含む): 444991680

約数和(自身を除く): 235741220

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 132437, 264874, 529748, 662185, 1324370, 2648740, 10462523, 20925046, 41850092, 52312615, 104625230, 209250460]

約数ペア:

[(1, 209250460), (2, 104625230), (4, 52312615), (5, 41850092), (10, 20925046), (20, 10462523), (79, 2648740), (158, 1324370), (316, 662185), (395, 529748), (790, 264874), (1580, 132437)]