2035880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 5719680

約数和(自身を除く): 3683800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 661, 770, 1322, 1540, 2644, 3080, 3305, 4627, 5288, 6610, 7271, 9254, 13220, 14542, 18508, 23135, 26440, 29084, 36355, 37016, 46270, 50897, 58168, 72710, 92540, 101794, 145420, 185080, 203588, 254485, 290840, 407176, 508970, 1017940, 2035880]

約数ペア:

[(1, 2035880), (2, 1017940), (4, 508970), (5, 407176), (7, 290840), (8, 254485), (10, 203588), (11, 185080), (14, 145420), (20, 101794), (22, 92540), (28, 72710), (35, 58168), (40, 50897), (44, 46270), (55, 37016), (56, 36355), (70, 29084), (77, 26440), (88, 23135), (110, 18508), (140, 14542), (154, 13220), (220, 9254), (280, 7271), (308, 6610), (385, 5288), (440, 4627), (616, 3305), (661, 3080), (770, 2644), (1322, 1540)]