2080540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{193}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 5573232

約数和(自身を除く): 3492692

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 193, 196, 220, 245, 308, 385, 386, 490, 539, 770, 772, 965, 980, 1078, 1351, 1540, 1930, 2123, 2156, 2695, 2702, 3860, 4246, 5390, 5404, 6755, 8492, 9457, 10615, 10780, 13510, 14861, 18914, 21230, 27020, 29722, 37828, 42460, 47285, 59444, 74305, 94570, 104027, 148610, 189140, 208054, 297220, 416108, 520135, 1040270, 2080540]

約数ペア:

[(1, 2080540), (2, 1040270), (4, 520135), (5, 416108), (7, 297220), (10, 208054), (11, 189140), (14, 148610), (20, 104027), (22, 94570), (28, 74305), (35, 59444), (44, 47285), (49, 42460), (55, 37828), (70, 29722), (77, 27020), (98, 21230), (110, 18914), (140, 14861), (154, 13510), (193, 10780), (196, 10615), (220, 9457), (245, 8492), (308, 6755), (385, 5404), (386, 5390), (490, 4246), (539, 3860), (770, 2702), (772, 2695), (965, 2156), (980, 2123), (1078, 1930), (1351, 1540)]