201990510530

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{878219611}}^1$

素因数の和:878219641

約数の個数: 16

約数和(自身を含む): 379390872384

約数和(自身を除く): 177400361854

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 878219611, 1756439222, 4391098055, 8782196110, 20199051053, 40398102106, 100995255265, 201990510530]

約数ペア:

[(1, 201990510530), (2, 100995255265), (5, 40398102106), (10, 20199051053), (23, 8782196110), (46, 4391098055), (115, 1756439222), (230, 878219611)]