428600

素因数分解:

$2^3\times 5^2\times {\mathrm{2143}}^1$

素因数の和:2159

約数の個数: 24

約数和(自身を含む): 996960

約数和(自身を除く): 568360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 2143, 4286, 8572, 10715, 17144, 21430, 42860, 53575, 85720, 107150, 214300, 428600]

約数ペア:

[(1, 428600), (2, 214300), (4, 107150), (5, 85720), (8, 53575), (10, 42860), (20, 21430), (25, 17144), (40, 10715), (50, 8572), (100, 4286), (200, 2143)]