197021000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17911}}^1$

素因数の和:17943

約数の個数: 64

約数和(自身を含む): 502968960

約数和(自身を除く): 305947960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 440, 500, 550, 1000, 1100, 1375, 2200, 2750, 5500, 11000, 17911, 35822, 71644, 89555, 143288, 179110, 197021, 358220, 394042, 447775, 716440, 788084, 895550, 985105, 1576168, 1791100, 1970210, 2238875, 3582200, 3940420, 4477750, 4925525, 7880840, 8955500, 9851050, 17911000, 19702100, 24627625, 39404200, 49255250, 98510500, 197021000]

約数ペア:

[(1, 197021000), (2, 98510500), (4, 49255250), (5, 39404200), (8, 24627625), (10, 19702100), (11, 17911000), (20, 9851050), (22, 8955500), (25, 7880840), (40, 4925525), (44, 4477750), (50, 3940420), (55, 3582200), (88, 2238875), (100, 1970210), (110, 1791100), (125, 1576168), (200, 985105), (220, 895550), (250, 788084), (275, 716440), (440, 447775), (500, 394042), (550, 358220), (1000, 197021), (1100, 179110), (1375, 143288), (2200, 89555), (2750, 71644), (5500, 35822), (11000, 17911)]