121722020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{869443}}^1$

素因数の和:869459

約数の個数: 24

約数和(自身を含む): 292133184

約数和(自身を除く): 170411164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 869443, 1738886, 3477772, 4347215, 6086101, 8694430, 12172202, 17388860, 24344404, 30430505, 60861010, 121722020]

約数ペア:

[(1, 121722020), (2, 60861010), (4, 30430505), (5, 24344404), (7, 17388860), (10, 12172202), (14, 8694430), (20, 6086101), (28, 4347215), (35, 3477772), (70, 1738886), (140, 869443)]