200801720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{717149}}^1$

素因数の和:717167

約数の個数: 32

約数和(自身を含む): 516348000

約数和(自身を除く): 315546280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 717149, 1434298, 2868596, 3585745, 5020043, 5737192, 7171490, 10040086, 14342980, 20080172, 25100215, 28685960, 40160344, 50200430, 100400860, 200801720]

約数ペア:

[(1, 200801720), (2, 100400860), (4, 50200430), (5, 40160344), (7, 28685960), (8, 25100215), (10, 20080172), (14, 14342980), (20, 10040086), (28, 7171490), (35, 5737192), (40, 5020043), (56, 3585745), (70, 2868596), (140, 1434298), (280, 717149)]