8256500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{337}}^1$

素因数の和:370

約数の個数: 72

約数和(自身を含む): 21038472

約数和(自身を除く): 12781972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 337, 350, 490, 500, 674, 700, 875, 980, 1225, 1348, 1685, 1750, 2359, 2450, 3370, 3500, 4718, 4900, 6125, 6740, 8425, 9436, 11795, 12250, 16513, 16850, 23590, 24500, 33026, 33700, 42125, 47180, 58975, 66052, 82565, 84250, 117950, 165130, 168500, 235900, 294875, 330260, 412825, 589750, 825650, 1179500, 1651300, 2064125, 4128250, 8256500]

約数ペア:

[(1, 8256500), (2, 4128250), (4, 2064125), (5, 1651300), (7, 1179500), (10, 825650), (14, 589750), (20, 412825), (25, 330260), (28, 294875), (35, 235900), (49, 168500), (50, 165130), (70, 117950), (98, 84250), (100, 82565), (125, 66052), (140, 58975), (175, 47180), (196, 42125), (245, 33700), (250, 33026), (337, 24500), (350, 23590), (490, 16850), (500, 16513), (674, 12250), (700, 11795), (875, 9436), (980, 8425), (1225, 6740), (1348, 6125), (1685, 4900), (1750, 4718), (2359, 3500), (2450, 3370)]