219522050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{399131}}^1$

素因数の和:399154

約数の個数: 24

約数和(自身を含む): 445431312

約数和(自身を除く): 225909262

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 399131, 798262, 1995655, 3991310, 4390441, 8780882, 9978275, 19956550, 21952205, 43904410, 109761025, 219522050]

約数ペア:

[(1, 219522050), (2, 109761025), (5, 43904410), (10, 21952205), (11, 19956550), (22, 9978275), (25, 8780882), (50, 4390441), (55, 3991310), (110, 1995655), (275, 798262), (550, 399131)]