1219820

素因数分解:

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

素因数の和:8729

約数の個数: 24

約数和(自身を含む): 2927904

約数和(自身を除く): 1708084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 8713, 17426, 34852, 43565, 60991, 87130, 121982, 174260, 243964, 304955, 609910, 1219820]

約数ペア:

[(1, 1219820), (2, 609910), (4, 304955), (5, 243964), (7, 174260), (10, 121982), (14, 87130), (20, 60991), (28, 43565), (35, 34852), (70, 17426), (140, 8713)]