858789820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{6134213}}^1$

素因数の和:6134229

約数の個数: 24

約数和(自身を含む): 2061095904

約数和(自身を除く): 1202306084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 6134213, 12268426, 24536852, 30671065, 42939491, 61342130, 85878982, 122684260, 171757964, 214697455, 429394910, 858789820]

約数ペア:

[(1, 858789820), (2, 429394910), (4, 214697455), (5, 171757964), (7, 122684260), (10, 85878982), (14, 61342130), (20, 42939491), (28, 30671065), (35, 24536852), (70, 12268426), (140, 6134213)]