129347600

素因数分解:

$2^4\times 5^2\times {\mathrm{323369}}^1$

素因数の和:323387

約数の個数: 30

約数和(自身を含む): 310758570

約数和(自身を除く): 181410970

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 323369, 646738, 1293476, 1616845, 2586952, 3233690, 5173904, 6467380, 8084225, 12934760, 16168450, 25869520, 32336900, 64673800, 129347600]

約数ペア:

[(1, 129347600), (2, 64673800), (4, 32336900), (5, 25869520), (8, 16168450), (10, 12934760), (16, 8084225), (20, 6467380), (25, 5173904), (40, 3233690), (50, 2586952), (80, 1616845), (100, 1293476), (200, 646738), (400, 323369)]