199449850

素因数分解:

$2^1\times 5^2\times {\mathrm{997}}^1\times {\mathrm{4001}}^1$

素因数の和:5010

約数の個数: 24

約数和(自身を含む): 371441628

約数和(自身を除く): 171991778

約数列:

[1, 2, 5, 10, 25, 50, 997, 1994, 4001, 4985, 8002, 9970, 20005, 24925, 40010, 49850, 100025, 200050, 3988997, 7977994, 19944985, 39889970, 99724925, 199449850]

約数ペア:

[(1, 199449850), (2, 99724925), (5, 39889970), (10, 19944985), (25, 7977994), (50, 3988997), (997, 200050), (1994, 100025), (4001, 49850), (4985, 40010), (8002, 24925), (9970, 20005)]