12187900

素因数分解:

$2^2\times 5^2\times {\mathrm{307}}^1\times {\mathrm{397}}^1$

素因数の和:718

約数の個数: 36

約数和(自身を含む): 26600728

約数和(自身を除く): 14412828

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 307, 397, 614, 794, 1228, 1535, 1588, 1985, 3070, 3970, 6140, 7675, 7940, 9925, 15350, 19850, 30700, 39700, 121879, 243758, 487516, 609395, 1218790, 2437580, 3046975, 6093950, 12187900]

約数ペア:

[(1, 12187900), (2, 6093950), (4, 3046975), (5, 2437580), (10, 1218790), (20, 609395), (25, 487516), (50, 243758), (100, 121879), (307, 39700), (397, 30700), (614, 19850), (794, 15350), (1228, 9925), (1535, 7940), (1588, 7675), (1985, 6140), (3070, 3970)]