209461567400

素因数分解:

$2^3\times 5^2\times {\mathrm{1051}}^1\times {\mathrm{996487}}^1$

素因数の和:997554

約数の個数: 48

約数和(自身を含む): 487461999840

約数和(自身を除く): 278000432440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 1051, 2102, 4204, 5255, 8408, 10510, 21020, 26275, 42040, 52550, 105100, 210200, 996487, 1992974, 3985948, 4982435, 7971896, 9964870, 19929740, 24912175, 39859480, 49824350, 99648700, 199297400, 1047307837, 2094615674, 4189231348, 5236539185, 8378462696, 10473078370, 20946156740, 26182695925, 41892313480, 52365391850, 104730783700, 209461567400]

約数ペア:

[(1, 209461567400), (2, 104730783700), (4, 52365391850), (5, 41892313480), (8, 26182695925), (10, 20946156740), (20, 10473078370), (25, 8378462696), (40, 5236539185), (50, 4189231348), (100, 2094615674), (200, 1047307837), (1051, 199297400), (2102, 99648700), (4204, 49824350), (5255, 39859480), (8408, 24912175), (10510, 19929740), (21020, 9964870), (26275, 7971896), (42040, 4982435), (52550, 3985948), (105100, 1992974), (210200, 996487)]