216377900

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{22307}}^1$

素因数の和:22418

約数の個数: 36

約数和(自身を含む): 474401928

約数和(自身を除く): 258024028

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 194, 388, 485, 970, 1940, 2425, 4850, 9700, 22307, 44614, 89228, 111535, 223070, 446140, 557675, 1115350, 2163779, 2230700, 4327558, 8655116, 10818895, 21637790, 43275580, 54094475, 108188950, 216377900]

約数ペア:

[(1, 216377900), (2, 108188950), (4, 54094475), (5, 43275580), (10, 21637790), (20, 10818895), (25, 8655116), (50, 4327558), (97, 2230700), (100, 2163779), (194, 1115350), (388, 557675), (485, 446140), (970, 223070), (1940, 111535), (2425, 89228), (4850, 44614), (9700, 22307)]