201913900

素因数分解:

$2^2\times 5^2\times {\mathrm{307}}^1\times {\mathrm{6577}}^1$

素因数の和:6898

約数の個数: 36

約数和(自身を含む): 439647208

約数和(自身を除く): 237733308

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 307, 614, 1228, 1535, 3070, 6140, 6577, 7675, 13154, 15350, 26308, 30700, 32885, 65770, 131540, 164425, 328850, 657700, 2019139, 4038278, 8076556, 10095695, 20191390, 40382780, 50478475, 100956950, 201913900]

約数ペア:

[(1, 201913900), (2, 100956950), (4, 50478475), (5, 40382780), (10, 20191390), (20, 10095695), (25, 8076556), (50, 4038278), (100, 2019139), (307, 657700), (614, 328850), (1228, 164425), (1535, 131540), (3070, 65770), (6140, 32885), (6577, 30700), (7675, 26308), (13154, 15350)]