97899890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{80909}}^1$

素因数の和:80938

約数の個数: 24

約数和(自身を含む): 193698540

約数和(自身を除く): 95798650

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 80909, 161818, 404545, 809090, 889999, 1779998, 4449995, 8899990, 9789989, 19579978, 48949945, 97899890]

約数ペア:

[(1, 97899890), (2, 48949945), (5, 19579978), (10, 9789989), (11, 8899990), (22, 4449995), (55, 1779998), (110, 889999), (121, 809090), (242, 404545), (605, 161818), (1210, 80909)]