15385400

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1789}}^1$

素因数の和:1848

約数の個数: 48

約数和(自身を含む): 36623400

約数和(自身を除く): 21238000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 1789, 2150, 3578, 4300, 7156, 8600, 8945, 14312, 17890, 35780, 44725, 71560, 76927, 89450, 153854, 178900, 307708, 357800, 384635, 615416, 769270, 1538540, 1923175, 3077080, 3846350, 7692700, 15385400]

約数ペア:

[(1, 15385400), (2, 7692700), (4, 3846350), (5, 3077080), (8, 1923175), (10, 1538540), (20, 769270), (25, 615416), (40, 384635), (43, 357800), (50, 307708), (86, 178900), (100, 153854), (172, 89450), (200, 76927), (215, 71560), (344, 44725), (430, 35780), (860, 17890), (1075, 14312), (1720, 8945), (1789, 8600), (2150, 7156), (3578, 4300)]