3800900

素因数分解:

$2^2\times 5^2\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:404

約数の個数: 36

約数和(自身を含む): 8332800

約数和(自身を除く): 4531900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 191, 199, 382, 398, 764, 796, 955, 995, 1910, 1990, 3820, 3980, 4775, 4975, 9550, 9950, 19100, 19900, 38009, 76018, 152036, 190045, 380090, 760180, 950225, 1900450, 3800900]

約数ペア:

[(1, 3800900), (2, 1900450), (4, 950225), (5, 760180), (10, 380090), (20, 190045), (25, 152036), (50, 76018), (100, 38009), (191, 19900), (199, 19100), (382, 9950), (398, 9550), (764, 4975), (796, 4775), (955, 3980), (995, 3820), (1910, 1990)]