3920300

素因数分解:

$2^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:410

約数の個数: 36

約数和(自身を含む): 8593200

約数和(自身を除く): 4672900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 197, 199, 394, 398, 788, 796, 985, 995, 1970, 1990, 3940, 3980, 4925, 4975, 9850, 9950, 19700, 19900, 39203, 78406, 156812, 196015, 392030, 784060, 980075, 1960150, 3920300]

約数ペア:

[(1, 3920300), (2, 1960150), (4, 980075), (5, 784060), (10, 392030), (20, 196015), (25, 156812), (50, 78406), (100, 39203), (197, 19900), (199, 19700), (394, 9950), (398, 9850), (788, 4975), (796, 4925), (985, 3980), (995, 3940), (1970, 1990)]