42857980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{194809}}^1$

素因数の和:194829

約数の個数: 24

約数和(自身を含む): 98184240

約数和(自身を除く): 55326260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 194809, 389618, 779236, 974045, 1948090, 2142899, 3896180, 4285798, 8571596, 10714495, 21428990, 42857980]

約数ペア:

[(1, 42857980), (2, 21428990), (4, 10714495), (5, 8571596), (10, 4285798), (11, 3896180), (20, 2142899), (22, 1948090), (44, 974045), (55, 779236), (110, 389618), (220, 194809)]