2980400

素因数分解:

$2^4\times 5^2\times {\mathrm{7451}}^1$

素因数の和:7469

約数の個数: 30

約数和(自身を含む): 7161372

約数和(自身を除く): 4180972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 7451, 14902, 29804, 37255, 59608, 74510, 119216, 149020, 186275, 298040, 372550, 596080, 745100, 1490200, 2980400]

約数ペア:

[(1, 2980400), (2, 1490200), (4, 745100), (5, 596080), (8, 372550), (10, 298040), (16, 186275), (20, 149020), (25, 119216), (40, 74510), (50, 59608), (80, 37255), (100, 29804), (200, 14902), (400, 7451)]