521103400

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{26861}}^1$

素因数の和:26974

約数の個数: 48

約数和(自身を含む): 1224101340

約数和(自身を除く): 702997940

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 388, 485, 776, 970, 1940, 2425, 3880, 4850, 9700, 19400, 26861, 53722, 107444, 134305, 214888, 268610, 537220, 671525, 1074440, 1343050, 2605517, 2686100, 5211034, 5372200, 10422068, 13027585, 20844136, 26055170, 52110340, 65137925, 104220680, 130275850, 260551700, 521103400]

約数ペア:

[(1, 521103400), (2, 260551700), (4, 130275850), (5, 104220680), (8, 65137925), (10, 52110340), (20, 26055170), (25, 20844136), (40, 13027585), (50, 10422068), (97, 5372200), (100, 5211034), (194, 2686100), (200, 2605517), (388, 1343050), (485, 1074440), (776, 671525), (970, 537220), (1940, 268610), (2425, 214888), (3880, 134305), (4850, 107444), (9700, 53722), (19400, 26861)]