449900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{409}}^1$

素因数の和:434

約数の個数: 36

約数和(自身を含む): 1067640

約数和(自身を除く): 617740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 409, 550, 818, 1100, 1636, 2045, 4090, 4499, 8180, 8998, 10225, 17996, 20450, 22495, 40900, 44990, 89980, 112475, 224950, 449900]

約数ペア:

[(1, 449900), (2, 224950), (4, 112475), (5, 89980), (10, 44990), (11, 40900), (20, 22495), (22, 20450), (25, 17996), (44, 10225), (50, 8998), (55, 8180), (100, 4499), (110, 4090), (220, 2045), (275, 1636), (409, 1100), (550, 818)]