8538740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{8713}}^1$

素因数の和:8736

約数の個数: 36

約数和(自身を含む): 20861316

約数和(自身を除く): 12322576

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 8713, 17426, 34852, 43565, 60991, 87130, 121982, 174260, 243964, 304955, 426937, 609910, 853874, 1219820, 1707748, 2134685, 4269370, 8538740]

約数ペア:

[(1, 8538740), (2, 4269370), (4, 2134685), (5, 1707748), (7, 1219820), (10, 853874), (14, 609910), (20, 426937), (28, 304955), (35, 243964), (49, 174260), (70, 121982), (98, 87130), (140, 60991), (196, 43565), (245, 34852), (490, 17426), (980, 8713)]