199202980

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{50051}}^1$

素因数の和:50259

約数の個数: 24

約数和(自身を含む): 420436800

約数和(自身を除く): 221233820

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 50051, 100102, 200204, 250255, 500510, 1001020, 9960149, 19920298, 39840596, 49800745, 99601490, 199202980]

約数ペア:

[(1, 199202980), (2, 99601490), (4, 49800745), (5, 39840596), (10, 19920298), (20, 9960149), (199, 1001020), (398, 500510), (796, 250255), (995, 200204), (1990, 100102), (3980, 50051)]