19502528780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139303777}}^1$

素因数の和:139303793

約数の個数: 24

約数和(自身を含む): 46806069408

約数和(自身を除く): 27303540628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 139303777, 278607554, 557215108, 696518885, 975126439, 1393037770, 1950252878, 2786075540, 3900505756, 4875632195, 9751264390, 19502528780]

約数ペア:

[(1, 19502528780), (2, 9751264390), (4, 4875632195), (5, 3900505756), (7, 2786075540), (10, 1950252878), (14, 1393037770), (20, 975126439), (28, 696518885), (35, 557215108), (70, 278607554), (140, 139303777)]