68865860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{491899}}^1$

素因数の和:491915

約数の個数: 24

約数和(自身を含む): 165278400

約数和(自身を除く): 96412540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 491899, 983798, 1967596, 2459495, 3443293, 4918990, 6886586, 9837980, 13773172, 17216465, 34432930, 68865860]

約数ペア:

[(1, 68865860), (2, 34432930), (4, 17216465), (5, 13773172), (7, 9837980), (10, 6886586), (14, 4918990), (20, 3443293), (28, 2459495), (35, 1967596), (70, 983798), (140, 491899)]