1571020

素因数分解:

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

素因数の和:250

約数の個数: 48

約数和(自身を含む): 3715488

約数和(自身を除く): 2144468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 193, 220, 370, 386, 407, 740, 772, 814, 965, 1628, 1930, 2035, 2123, 3860, 4070, 4246, 7141, 8140, 8492, 10615, 14282, 21230, 28564, 35705, 42460, 71410, 78551, 142820, 157102, 314204, 392755, 785510, 1571020]

約数ペア:

[(1, 1571020), (2, 785510), (4, 392755), (5, 314204), (10, 157102), (11, 142820), (20, 78551), (22, 71410), (37, 42460), (44, 35705), (55, 28564), (74, 21230), (110, 14282), (148, 10615), (185, 8492), (193, 8140), (220, 7141), (370, 4246), (386, 4070), (407, 3860), (740, 2123), (772, 2035), (814, 1930), (965, 1628)]