425946800

素因数分解:

$2^4\times 5^2\times {\mathrm{1064867}}^1$

素因数の和:1064885

約数の個数: 30

約数和(自身を含む): 1023338148

約数和(自身を除く): 597391348

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1064867, 2129734, 4259468, 5324335, 8518936, 10648670, 17037872, 21297340, 26621675, 42594680, 53243350, 85189360, 106486700, 212973400, 425946800]

約数ペア:

[(1, 425946800), (2, 212973400), (4, 106486700), (5, 85189360), (8, 53243350), (10, 42594680), (16, 26621675), (20, 21297340), (25, 17037872), (40, 10648670), (50, 8518936), (80, 5324335), (100, 4259468), (200, 2129734), (400, 1064867)]