408943780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2921027}}^1$

素因数の和:2921043

約数の個数: 24

約数和(自身を含む): 981465408

約数和(自身を除く): 572521628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2921027, 5842054, 11684108, 14605135, 20447189, 29210270, 40894378, 58420540, 81788756, 102235945, 204471890, 408943780]

約数ペア:

[(1, 408943780), (2, 204471890), (4, 102235945), (5, 81788756), (7, 58420540), (10, 40894378), (14, 29210270), (20, 20447189), (28, 14605135), (35, 11684108), (70, 5842054), (140, 2921027)]