108019000

素因数分解:

$2^3\times 5^3\times {\mathrm{109}}^1\times {\mathrm{991}}^1$

素因数の和:1121

約数の個数: 64

約数和(自身を含む): 255340800

約数和(自身を除く): 147321800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 109, 125, 200, 218, 250, 436, 500, 545, 872, 991, 1000, 1090, 1982, 2180, 2725, 3964, 4360, 4955, 5450, 7928, 9910, 10900, 13625, 19820, 21800, 24775, 27250, 39640, 49550, 54500, 99100, 108019, 109000, 123875, 198200, 216038, 247750, 432076, 495500, 540095, 864152, 991000, 1080190, 2160380, 2700475, 4320760, 5400950, 10801900, 13502375, 21603800, 27004750, 54009500, 108019000]

約数ペア:

[(1, 108019000), (2, 54009500), (4, 27004750), (5, 21603800), (8, 13502375), (10, 10801900), (20, 5400950), (25, 4320760), (40, 2700475), (50, 2160380), (100, 1080190), (109, 991000), (125, 864152), (200, 540095), (218, 495500), (250, 432076), (436, 247750), (500, 216038), (545, 198200), (872, 123875), (991, 109000), (1000, 108019), (1090, 99100), (1982, 54500), (2180, 49550), (2725, 39640), (3964, 27250), (4360, 24775), (4955, 21800), (5450, 19820), (7928, 13625), (9910, 10900)]