68757220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{743}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 165489408

約数和(自身を除く): 96732188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 661, 743, 1322, 1486, 2644, 2972, 3305, 3715, 4627, 5201, 6610, 7430, 9254, 10402, 13220, 14860, 18508, 20804, 23135, 26005, 46270, 52010, 92540, 104020, 491123, 982246, 1964492, 2455615, 3437861, 4911230, 6875722, 9822460, 13751444, 17189305, 34378610, 68757220]

約数ペア:

[(1, 68757220), (2, 34378610), (4, 17189305), (5, 13751444), (7, 9822460), (10, 6875722), (14, 4911230), (20, 3437861), (28, 2455615), (35, 1964492), (70, 982246), (140, 491123), (661, 104020), (743, 92540), (1322, 52010), (1486, 46270), (2644, 26005), (2972, 23135), (3305, 20804), (3715, 18508), (4627, 14860), (5201, 13220), (6610, 10402), (7430, 9254)]