205810000

素因数分解:

$2^4\times 5^4\times {\mathrm{11}}^1\times {\mathrm{1871}}^1$

素因数の和:1910

約数の個数: 100

約数和(自身を含む): 543875904

約数和(自身を除く): 338065904

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 125, 176, 200, 220, 250, 275, 400, 440, 500, 550, 625, 880, 1000, 1100, 1250, 1375, 1871, 2000, 2200, 2500, 2750, 3742, 4400, 5000, 5500, 6875, 7484, 9355, 10000, 11000, 13750, 14968, 18710, 20581, 22000, 27500, 29936, 37420, 41162, 46775, 55000, 74840, 82324, 93550, 102905, 110000, 149680, 164648, 187100, 205810, 233875, 329296, 374200, 411620, 467750, 514525, 748400, 823240, 935500, 1029050, 1169375, 1646480, 1871000, 2058100, 2338750, 2572625, 3742000, 4116200, 4677500, 5145250, 8232400, 9355000, 10290500, 12863125, 18710000, 20581000, 25726250, 41162000, 51452500, 102905000, 205810000]

約数ペア:

[(1, 205810000), (2, 102905000), (4, 51452500), (5, 41162000), (8, 25726250), (10, 20581000), (11, 18710000), (16, 12863125), (20, 10290500), (22, 9355000), (25, 8232400), (40, 5145250), (44, 4677500), (50, 4116200), (55, 3742000), (80, 2572625), (88, 2338750), (100, 2058100), (110, 1871000), (125, 1646480), (176, 1169375), (200, 1029050), (220, 935500), (250, 823240), (275, 748400), (400, 514525), (440, 467750), (500, 411620), (550, 374200), (625, 329296), (880, 233875), (1000, 205810), (1100, 187100), (1250, 164648), (1375, 149680), (1871, 110000), (2000, 102905), (2200, 93550), (2500, 82324), (2750, 74840), (3742, 55000), (4400, 46775), (5000, 41162), (5500, 37420), (6875, 29936), (7484, 27500), (9355, 22000), (10000, 20581), (11000, 18710), (13750, 14968)]