6990280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15887}}^1$

素因数の和:15909

約数の個数: 32

約数和(自身を含む): 17159040

約数和(自身を除く): 10168760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 15887, 31774, 63548, 79435, 127096, 158870, 174757, 317740, 349514, 635480, 699028, 873785, 1398056, 1747570, 3495140, 6990280]

約数ペア:

[(1, 6990280), (2, 3495140), (4, 1747570), (5, 1398056), (8, 873785), (10, 699028), (11, 635480), (20, 349514), (22, 317740), (40, 174757), (44, 158870), (55, 127096), (88, 79435), (110, 63548), (220, 31774), (440, 15887)]