218200090

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{51829}}^1$

素因数の和:52257

約数の個数: 16

約数和(自身を含む): 393700680

約数和(自身を除く): 175500590

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 51829, 103658, 259145, 518290, 21820009, 43640018, 109100045, 218200090]

約数ペア:

[(1, 218200090), (2, 109100045), (5, 43640018), (10, 21820009), (421, 518290), (842, 259145), (2105, 103658), (4210, 51829)]