3490804540

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{885991}}^1$

素因数の和:886197

約数の個数: 24

約数和(自身を含む): 7367909472

約数和(自身を除く): 3877104932

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 885991, 1771982, 3543964, 4429955, 8859910, 17719820, 174540227, 349080454, 698160908, 872701135, 1745402270, 3490804540]

約数ペア:

[(1, 3490804540), (2, 1745402270), (4, 872701135), (5, 698160908), (10, 349080454), (20, 174540227), (197, 17719820), (394, 8859910), (788, 4429955), (985, 3543964), (1970, 1771982), (3940, 885991)]