687464540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4910461}}^1$

素因数の和:4910477

約数の個数: 24

約数和(自身を含む): 1649915232

約数和(自身を除く): 962450692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4910461, 9820922, 19641844, 24552305, 34373227, 49104610, 68746454, 98209220, 137492908, 171866135, 343732270, 687464540]

約数ペア:

[(1, 687464540), (2, 343732270), (4, 171866135), (5, 137492908), (7, 98209220), (10, 68746454), (14, 49104610), (20, 34373227), (28, 24552305), (35, 19641844), (70, 9820922), (140, 4910461)]