201164420

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^2\times {\mathrm{1069}}^1$

素因数の和:1272

約数の個数: 36

約数和(自身を含む): 427244580

約数和(自身を除く): 226080160

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1069, 1940, 2138, 4276, 5345, 9409, 10690, 18818, 21380, 37636, 47045, 94090, 103693, 188180, 207386, 414772, 518465, 1036930, 2073860, 10058221, 20116442, 40232884, 50291105, 100582210, 201164420]

約数ペア:

[(1, 201164420), (2, 100582210), (4, 50291105), (5, 40232884), (10, 20116442), (20, 10058221), (97, 2073860), (194, 1036930), (388, 518465), (485, 414772), (970, 207386), (1069, 188180), (1940, 103693), (2138, 94090), (4276, 47045), (5345, 37636), (9409, 21380), (10690, 18818)]