990550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1801}}^1$

素因数の和:1824

約数の個数: 24

約数和(自身を含む): 2011032

約数和(自身を除く): 1020482

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 1801, 3602, 9005, 18010, 19811, 39622, 45025, 90050, 99055, 198110, 495275, 990550]

約数ペア:

[(1, 990550), (2, 495275), (5, 198110), (10, 99055), (11, 90050), (22, 45025), (25, 39622), (50, 19811), (55, 18010), (110, 9005), (275, 3602), (550, 1801)]