209503870

素因数分解:

$2^1\times 5^1\times {\mathrm{4987}}^1\times {\mathrm{4201}}^1$

素因数の和:9195

約数の個数: 16

約数和(自身を含む): 377272368

約数和(自身を除く): 167768498

約数列:

[1, 2, 5, 10, 4201, 4987, 8402, 9974, 21005, 24935, 42010, 49870, 20950387, 41900774, 104751935, 209503870]

約数ペア:

[(1, 209503870), (2, 104751935), (5, 41900774), (10, 20950387), (4201, 49870), (4987, 42010), (8402, 24935), (9974, 21005)]