1265180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1291}}^1$

素因数の和:1314

約数の個数: 36

約数和(自身を含む): 3093048

約数和(自身を除く): 1827868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1291, 2582, 5164, 6455, 9037, 12910, 18074, 25820, 36148, 45185, 63259, 90370, 126518, 180740, 253036, 316295, 632590, 1265180]

約数ペア:

[(1, 1265180), (2, 632590), (4, 316295), (5, 253036), (7, 180740), (10, 126518), (14, 90370), (20, 63259), (28, 45185), (35, 36148), (49, 25820), (70, 18074), (98, 12910), (140, 9037), (196, 6455), (245, 5164), (490, 2582), (980, 1291)]