121419980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{551909}}^1$

素因数の和:551929

約数の個数: 24

約数和(自身を含む): 278162640

約数和(自身を除く): 156742660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 551909, 1103818, 2207636, 2759545, 5519090, 6070999, 11038180, 12141998, 24283996, 30354995, 60709990, 121419980]

約数ペア:

[(1, 121419980), (2, 60709990), (4, 30354995), (5, 24283996), (10, 12141998), (11, 11038180), (20, 6070999), (22, 5519090), (44, 2759545), (55, 2207636), (110, 1103818), (220, 551909)]