1959400

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 4648140

約数和(自身を除く): 2688740

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 101, 194, 200, 202, 388, 404, 485, 505, 776, 808, 970, 1010, 1940, 2020, 2425, 2525, 3880, 4040, 4850, 5050, 9700, 9797, 10100, 19400, 19594, 20200, 39188, 48985, 78376, 97970, 195940, 244925, 391880, 489850, 979700, 1959400]

約数ペア:

[(1, 1959400), (2, 979700), (4, 489850), (5, 391880), (8, 244925), (10, 195940), (20, 97970), (25, 78376), (40, 48985), (50, 39188), (97, 20200), (100, 19594), (101, 19400), (194, 10100), (200, 9797), (202, 9700), (388, 5050), (404, 4850), (485, 4040), (505, 3880), (776, 2525), (808, 2425), (970, 2020), (1010, 1940)]