209707980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1759}}^1\times {\mathrm{1987}}^1$

素因数の和:3758

約数の個数: 48

約数和(自身を含む): 587811840

約数和(自身を除く): 378103860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1759, 1987, 3518, 3974, 5277, 5961, 7036, 7948, 8795, 9935, 10554, 11922, 17590, 19870, 21108, 23844, 26385, 29805, 35180, 39740, 52770, 59610, 105540, 119220, 3495133, 6990266, 10485399, 13980532, 17475665, 20970798, 34951330, 41941596, 52426995, 69902660, 104853990, 209707980]

約数ペア:

[(1, 209707980), (2, 104853990), (3, 69902660), (4, 52426995), (5, 41941596), (6, 34951330), (10, 20970798), (12, 17475665), (15, 13980532), (20, 10485399), (30, 6990266), (60, 3495133), (1759, 119220), (1987, 105540), (3518, 59610), (3974, 52770), (5277, 39740), (5961, 35180), (7036, 29805), (7948, 26385), (8795, 23844), (9935, 21108), (10554, 19870), (11922, 17590)]