425860

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:315

約数の個数: 24

約数和(自身を含む): 907200

約数和(自身を除く): 481340

約数列:

[1, 2, 4, 5, 10, 20, 107, 199, 214, 398, 428, 535, 796, 995, 1070, 1990, 2140, 3980, 21293, 42586, 85172, 106465, 212930, 425860]

約数ペア:

[(1, 425860), (2, 212930), (4, 106465), (5, 85172), (10, 42586), (20, 21293), (107, 3980), (199, 2140), (214, 1990), (398, 1070), (428, 995), (535, 796)]