77380400

素因数分解:

$2^4\times 5^2\times {\mathrm{193451}}^1$

素因数の和:193469

約数の個数: 30

約数和(自身を含む): 185907372

約数和(自身を除く): 108526972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 193451, 386902, 773804, 967255, 1547608, 1934510, 3095216, 3869020, 4836275, 7738040, 9672550, 15476080, 19345100, 38690200, 77380400]

約数ペア:

[(1, 77380400), (2, 38690200), (4, 19345100), (5, 15476080), (8, 9672550), (10, 7738040), (16, 4836275), (20, 3869020), (25, 3095216), (40, 1934510), (50, 1547608), (80, 967255), (100, 773804), (200, 386902), (400, 193451)]