211804540

素因数分解:

$2^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{20249}}^1$

素因数の和:20781

約数の個数: 24

約数和(自身を含む): 445662000

約数和(自身を除く): 233857460

約数列:

[1, 2, 4, 5, 10, 20, 523, 1046, 2092, 2615, 5230, 10460, 20249, 40498, 80996, 101245, 202490, 404980, 10590227, 21180454, 42360908, 52951135, 105902270, 211804540]

約数ペア:

[(1, 211804540), (2, 105902270), (4, 52951135), (5, 42360908), (10, 21180454), (20, 10590227), (523, 404980), (1046, 202490), (2092, 101245), (2615, 80996), (5230, 40498), (10460, 20249)]