28083860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{28657}}^1$

素因数の和:28680

約数の個数: 36

約数和(自身を含む): 68607252

約数和(自身を除く): 40523392

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 28657, 57314, 114628, 143285, 200599, 286570, 401198, 573140, 802396, 1002995, 1404193, 2005990, 2808386, 4011980, 5616772, 7020965, 14041930, 28083860]

約数ペア:

[(1, 28083860), (2, 14041930), (4, 7020965), (5, 5616772), (7, 4011980), (10, 2808386), (14, 2005990), (20, 1404193), (28, 1002995), (35, 802396), (49, 573140), (70, 401198), (98, 286570), (140, 200599), (196, 143285), (245, 114628), (490, 57314), (980, 28657)]