210205780

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{98227}}^1$

素因数の和:98343

約数の個数: 24

約数和(自身を含む): 445562208

約数和(自身を除く): 235356428

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 98227, 196454, 392908, 491135, 982270, 1964540, 10510289, 21020578, 42041156, 52551445, 105102890, 210205780]

約数ペア:

[(1, 210205780), (2, 105102890), (4, 52551445), (5, 42041156), (10, 21020578), (20, 10510289), (107, 1964540), (214, 982270), (428, 491135), (535, 392908), (1070, 196454), (2140, 98227)]