221057820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1228099}}^1$

素因数の和:1228114

約数の個数: 36

約数和(自身を含む): 670542600

約数和(自身を除く): 449484780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1228099, 2456198, 3684297, 4912396, 6140495, 7368594, 11052891, 12280990, 14737188, 18421485, 22105782, 24561980, 36842970, 44211564, 55264455, 73685940, 110528910, 221057820]

約数ペア:

[(1, 221057820), (2, 110528910), (3, 73685940), (4, 55264455), (5, 44211564), (6, 36842970), (9, 24561980), (10, 22105782), (12, 18421485), (15, 14737188), (18, 12280990), (20, 11052891), (30, 7368594), (36, 6140495), (45, 4912396), (60, 3684297), (90, 2456198), (180, 1228099)]