3400400

素因数分解:

$2^4\times 5^2\times {\mathrm{8501}}^1$

素因数の和:8519

約数の個数: 30

約数和(自身を含む): 8170422

約数和(自身を除く): 4770022

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 8501, 17002, 34004, 42505, 68008, 85010, 136016, 170020, 212525, 340040, 425050, 680080, 850100, 1700200, 3400400]

約数ペア:

[(1, 3400400), (2, 1700200), (4, 850100), (5, 680080), (8, 425050), (10, 340040), (16, 212525), (20, 170020), (25, 136016), (40, 85010), (50, 68008), (80, 42505), (100, 34004), (200, 17002), (400, 8501)]