70729820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{505213}}^1$

素因数の和:505229

約数の個数: 24

約数和(自身を含む): 169751904

約数和(自身を除く): 99022084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 505213, 1010426, 2020852, 2526065, 3536491, 5052130, 7072982, 10104260, 14145964, 17682455, 35364910, 70729820]

約数ペア:

[(1, 70729820), (2, 35364910), (4, 17682455), (5, 14145964), (7, 10104260), (10, 7072982), (14, 5052130), (20, 3536491), (28, 2526065), (35, 2020852), (70, 1010426), (140, 505213)]