4994900

素因数分解:

$2^2\times 5^2\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:464

約数の個数: 36

約数和(自身を含む): 10936800

約数和(自身を除く): 5941900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 199, 251, 398, 502, 796, 995, 1004, 1255, 1990, 2510, 3980, 4975, 5020, 6275, 9950, 12550, 19900, 25100, 49949, 99898, 199796, 249745, 499490, 998980, 1248725, 2497450, 4994900]

約数ペア:

[(1, 4994900), (2, 2497450), (4, 1248725), (5, 998980), (10, 499490), (20, 249745), (25, 199796), (50, 99898), (100, 49949), (199, 25100), (251, 19900), (398, 12550), (502, 9950), (796, 6275), (995, 5020), (1004, 4975), (1255, 3980), (1990, 2510)]