30990470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{442721}}^1$

素因数の和:442735

約数の個数: 16

約数和(自身を含む): 63751968

約数和(自身を除く): 32761498

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 442721, 885442, 2213605, 3099047, 4427210, 6198094, 15495235, 30990470]

約数ペア:

[(1, 30990470), (2, 15495235), (5, 6198094), (7, 4427210), (10, 3099047), (14, 2213605), (35, 885442), (70, 442721)]