2081567180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1351667}}^1$

素因数の和:1351694

約数の個数: 48

約数和(自身を含む): 5449925376

約数和(自身を除く): 3368358196

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 1351667, 2703334, 5406668, 6758335, 9461669, 13516670, 14868337, 18923338, 27033340, 29736674, 37846676, 47308345, 59473348, 74341685, 94616690, 104078359, 148683370, 189233380, 208156718, 297366740, 416313436, 520391795, 1040783590, 2081567180]

約数ペア:

[(1, 2081567180), (2, 1040783590), (4, 520391795), (5, 416313436), (7, 297366740), (10, 208156718), (11, 189233380), (14, 148683370), (20, 104078359), (22, 94616690), (28, 74341685), (35, 59473348), (44, 47308345), (55, 37846676), (70, 29736674), (77, 27033340), (110, 18923338), (140, 14868337), (154, 13516670), (220, 9461669), (308, 6758335), (385, 5406668), (770, 2703334), (1540, 1351667)]