69644540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{497461}}^1$

素因数の和:497477

約数の個数: 24

約数和(自身を含む): 167147232

約数和(自身を除く): 97502692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 497461, 994922, 1989844, 2487305, 3482227, 4974610, 6964454, 9949220, 13928908, 17411135, 34822270, 69644540]

約数ペア:

[(1, 69644540), (2, 34822270), (4, 17411135), (5, 13928908), (7, 9949220), (10, 6964454), (14, 4974610), (20, 3482227), (28, 2487305), (35, 1989844), (70, 994922), (140, 497461)]