15490900

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1597}}^1$

素因数の和:1708

約数の個数: 36

約数和(自身を含む): 33983068

約数和(自身を除く): 18492168

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 194, 388, 485, 970, 1597, 1940, 2425, 3194, 4850, 6388, 7985, 9700, 15970, 31940, 39925, 79850, 154909, 159700, 309818, 619636, 774545, 1549090, 3098180, 3872725, 7745450, 15490900]

約数ペア:

[(1, 15490900), (2, 7745450), (4, 3872725), (5, 3098180), (10, 1549090), (20, 774545), (25, 619636), (50, 309818), (97, 159700), (100, 154909), (194, 79850), (388, 39925), (485, 31940), (970, 15970), (1597, 9700), (1940, 7985), (2425, 6388), (3194, 4850)]