1997350520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4539433}}^1$

素因数の和:4539455

約数の個数: 32

約数和(自身を含む): 4902588720

約数和(自身を除く): 2905238200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4539433, 9078866, 18157732, 22697165, 36315464, 45394330, 49933763, 90788660, 99867526, 181577320, 199735052, 249668815, 399470104, 499337630, 998675260, 1997350520]

約数ペア:

[(1, 1997350520), (2, 998675260), (4, 499337630), (5, 399470104), (8, 249668815), (10, 199735052), (11, 181577320), (20, 99867526), (22, 90788660), (40, 49933763), (44, 45394330), (55, 36315464), (88, 22697165), (110, 18157732), (220, 9078866), (440, 4539433)]