990200

素因数分解:

$2^3\times 5^2\times {\mathrm{4951}}^1$

素因数の和:4967

約数の個数: 24

約数和(自身を含む): 2302680

約数和(自身を除く): 1312480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 4951, 9902, 19804, 24755, 39608, 49510, 99020, 123775, 198040, 247550, 495100, 990200]

約数ペア:

[(1, 990200), (2, 495100), (4, 247550), (5, 198040), (8, 123775), (10, 99020), (20, 49510), (25, 39608), (40, 24755), (50, 19804), (100, 9902), (200, 4951)]