156943780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1121027}}^1$

素因数の和:1121043

約数の個数: 24

約数和(自身を含む): 376665408

約数和(自身を除く): 219721628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1121027, 2242054, 4484108, 5605135, 7847189, 11210270, 15694378, 22420540, 31388756, 39235945, 78471890, 156943780]

約数ペア:

[(1, 156943780), (2, 78471890), (4, 39235945), (5, 31388756), (7, 22420540), (10, 15694378), (14, 11210270), (20, 7847189), (28, 5605135), (35, 4484108), (70, 2242054), (140, 1121027)]