221389400

素因数分解:

$2^3\times 5^2\times {\mathrm{991}}^1\times {\mathrm{1117}}^1$

素因数の和:2124

約数の個数: 48

約数和(自身を含む): 515711040

約数和(自身を除く): 294321640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 991, 1117, 1982, 2234, 3964, 4468, 4955, 5585, 7928, 8936, 9910, 11170, 19820, 22340, 24775, 27925, 39640, 44680, 49550, 55850, 99100, 111700, 198200, 223400, 1106947, 2213894, 4427788, 5534735, 8855576, 11069470, 22138940, 27673675, 44277880, 55347350, 110694700, 221389400]

約数ペア:

[(1, 221389400), (2, 110694700), (4, 55347350), (5, 44277880), (8, 27673675), (10, 22138940), (20, 11069470), (25, 8855576), (40, 5534735), (50, 4427788), (100, 2213894), (200, 1106947), (991, 223400), (1117, 198200), (1982, 111700), (2234, 99100), (3964, 55850), (4468, 49550), (4955, 44680), (5585, 39640), (7928, 27925), (8936, 24775), (9910, 22340), (11170, 19820)]