219674950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{399409}}^1$

素因数の和:399432

約数の個数: 24

約数和(自身を含む): 445741560

約数和(自身を除く): 226066610

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 399409, 798818, 1997045, 3994090, 4393499, 8786998, 9985225, 19970450, 21967495, 43934990, 109837475, 219674950]

約数ペア:

[(1, 219674950), (2, 109837475), (5, 43934990), (10, 21967495), (11, 19970450), (22, 9985225), (25, 8786998), (50, 4393499), (55, 3994090), (110, 1997045), (275, 798818), (550, 399409)]