123280390

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{202099}}^1$

素因数の和:202167

約数の個数: 16

約数和(自身を含む): 225543600

約数和(自身を除く): 102263210

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 202099, 404198, 1010495, 2020990, 12328039, 24656078, 61640195, 123280390]

約数ペア:

[(1, 123280390), (2, 61640195), (5, 24656078), (10, 12328039), (61, 2020990), (122, 1010495), (305, 404198), (610, 202099)]