8640610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 17648568

約数和(自身を除く): 9007958

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 121, 185, 193, 242, 370, 386, 407, 605, 814, 965, 1210, 1930, 2035, 2123, 4070, 4246, 4477, 7141, 8954, 10615, 14282, 21230, 22385, 23353, 35705, 44770, 46706, 71410, 78551, 116765, 157102, 233530, 392755, 785510, 864061, 1728122, 4320305, 8640610]

約数ペア:

[(1, 8640610), (2, 4320305), (5, 1728122), (10, 864061), (11, 785510), (22, 392755), (37, 233530), (55, 157102), (74, 116765), (110, 78551), (121, 71410), (185, 46706), (193, 44770), (242, 35705), (370, 23353), (386, 22385), (407, 21230), (605, 14282), (814, 10615), (965, 8954), (1210, 7141), (1930, 4477), (2035, 4246), (2123, 4070)]