138729400

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{7151}}^1$

素因数の和:7264

約数の個数: 48

約数和(自身を含む): 325916640

約数和(自身を除く): 187187240

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, 7151, 9700, 14302, 19400, 28604, 35755, 57208, 71510, 143020, 178775, 286040, 357550, 693647, 715100, 1387294, 1430200, 2774588, 3468235, 5549176, 6936470, 13872940, 17341175, 27745880, 34682350, 69364700, 138729400]

約数ペア:

[(1, 138729400), (2, 69364700), (4, 34682350), (5, 27745880), (8, 17341175), (10, 13872940), (20, 6936470), (25, 5549176), (40, 3468235), (50, 2774588), (97, 1430200), (100, 1387294), (194, 715100), (200, 693647), (388, 357550), (485, 286040), (776, 178775), (970, 143020), (1940, 71510), (2425, 57208), (3880, 35755), (4850, 28604), (7151, 19400), (9700, 14302)]