920971660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{939767}}^1$

素因数の和:939790

約数の個数: 36

約数和(自身を含む): 2249804592

約数和(自身を除く): 1328832932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 939767, 1879534, 3759068, 4698835, 6578369, 9397670, 13156738, 18795340, 26313476, 32891845, 46048583, 65783690, 92097166, 131567380, 184194332, 230242915, 460485830, 920971660]

約数ペア:

[(1, 920971660), (2, 460485830), (4, 230242915), (5, 184194332), (7, 131567380), (10, 92097166), (14, 65783690), (20, 46048583), (28, 32891845), (35, 26313476), (49, 18795340), (70, 13156738), (98, 9397670), (140, 6578369), (196, 4698835), (245, 3759068), (490, 1879534), (980, 939767)]