2490196000

素因数分解:

$2^5\times 5^3\times {\mathrm{622549}}^1$

素因数の和:622574

約数の個数: 48

約数和(自身を含む): 6118421400

約数和(自身を除く): 3628225400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 622549, 1245098, 2490196, 3112745, 4980392, 6225490, 9960784, 12450980, 15563725, 19921568, 24901960, 31127450, 49803920, 62254900, 77818625, 99607840, 124509800, 155637250, 249019600, 311274500, 498039200, 622549000, 1245098000, 2490196000]

約数ペア:

[(1, 2490196000), (2, 1245098000), (4, 622549000), (5, 498039200), (8, 311274500), (10, 249019600), (16, 155637250), (20, 124509800), (25, 99607840), (32, 77818625), (40, 62254900), (50, 49803920), (80, 31127450), (100, 24901960), (125, 19921568), (160, 15563725), (200, 12450980), (250, 9960784), (400, 6225490), (500, 4980392), (800, 3112745), (1000, 2490196), (2000, 1245098), (4000, 622549)]