4900400

素因数分解:

$2^4\times 5^2\times {\mathrm{12251}}^1$

素因数の和:12269

約数の個数: 30

約数和(自身を含む): 11774172

約数和(自身を除く): 6873772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 12251, 24502, 49004, 61255, 98008, 122510, 196016, 245020, 306275, 490040, 612550, 980080, 1225100, 2450200, 4900400]

約数ペア:

[(1, 4900400), (2, 2450200), (4, 1225100), (5, 980080), (8, 612550), (10, 490040), (16, 306275), (20, 245020), (25, 196016), (40, 122510), (50, 98008), (80, 61255), (100, 49004), (200, 24502), (400, 12251)]