30913900

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{3187}}^1$

素因数の和:3298

約数の個数: 36

約数和(自身を含む): 67796008

約数和(自身を除く): 36882108

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 194, 388, 485, 970, 1940, 2425, 3187, 4850, 6374, 9700, 12748, 15935, 31870, 63740, 79675, 159350, 309139, 318700, 618278, 1236556, 1545695, 3091390, 6182780, 7728475, 15456950, 30913900]

約数ペア:

[(1, 30913900), (2, 15456950), (4, 7728475), (5, 6182780), (10, 3091390), (20, 1545695), (25, 1236556), (50, 618278), (97, 318700), (100, 309139), (194, 159350), (388, 79675), (485, 63740), (970, 31870), (1940, 15935), (2425, 12748), (3187, 9700), (4850, 6374)]