49971020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1153}}^1$

素因数の和:1370

約数の個数: 48

約数和(自身を含む): 115159968

約数和(自身を除く): 65188948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 394, 788, 985, 1153, 1970, 2167, 2306, 3940, 4334, 4612, 5765, 8668, 10835, 11530, 12683, 21670, 23060, 25366, 43340, 50732, 63415, 126830, 227141, 253660, 454282, 908564, 1135705, 2271410, 2498551, 4542820, 4997102, 9994204, 12492755, 24985510, 49971020]

約数ペア:

[(1, 49971020), (2, 24985510), (4, 12492755), (5, 9994204), (10, 4997102), (11, 4542820), (20, 2498551), (22, 2271410), (44, 1135705), (55, 908564), (110, 454282), (197, 253660), (220, 227141), (394, 126830), (788, 63415), (985, 50732), (1153, 43340), (1970, 25366), (2167, 23060), (2306, 21670), (3940, 12683), (4334, 11530), (4612, 10835), (5765, 8668)]