66748780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{68111}}^1$

素因数の和:68134

約数の個数: 36

約数和(自身を含む): 163060128

約数和(自身を除く): 96311348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 68111, 136222, 272444, 340555, 476777, 681110, 953554, 1362220, 1907108, 2383885, 3337439, 4767770, 6674878, 9535540, 13349756, 16687195, 33374390, 66748780]

約数ペア:

[(1, 66748780), (2, 33374390), (4, 16687195), (5, 13349756), (7, 9535540), (10, 6674878), (14, 4767770), (20, 3337439), (28, 2383885), (35, 1907108), (49, 1362220), (70, 953554), (98, 681110), (140, 476777), (196, 340555), (245, 272444), (490, 136222), (980, 68111)]