2011112500

素因数分解:

$2^2\times 5^5\times {\mathrm{349}}^1\times {\mathrm{461}}^1$

素因数の和:839

約数の個数: 72

約数和(自身を含む): 4421201400

約数和(自身を除く): 2410088900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 349, 461, 500, 625, 698, 922, 1250, 1396, 1745, 1844, 2305, 2500, 3125, 3490, 4610, 6250, 6980, 8725, 9220, 11525, 12500, 17450, 23050, 34900, 43625, 46100, 57625, 87250, 115250, 160889, 174500, 218125, 230500, 288125, 321778, 436250, 576250, 643556, 804445, 872500, 1090625, 1152500, 1440625, 1608890, 2181250, 2881250, 3217780, 4022225, 4362500, 5762500, 8044450, 16088900, 20111125, 40222250, 80444500, 100555625, 201111250, 402222500, 502778125, 1005556250, 2011112500]

約数ペア:

[(1, 2011112500), (2, 1005556250), (4, 502778125), (5, 402222500), (10, 201111250), (20, 100555625), (25, 80444500), (50, 40222250), (100, 20111125), (125, 16088900), (250, 8044450), (349, 5762500), (461, 4362500), (500, 4022225), (625, 3217780), (698, 2881250), (922, 2181250), (1250, 1608890), (1396, 1440625), (1745, 1152500), (1844, 1090625), (2305, 872500), (2500, 804445), (3125, 643556), (3490, 576250), (4610, 436250), (6250, 321778), (6980, 288125), (8725, 230500), (9220, 218125), (11525, 174500), (12500, 160889), (17450, 115250), (23050, 87250), (34900, 57625), (43625, 46100)]