452000

素因数分解:

$2^5\times 5^3\times {\mathrm{113}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 1120392

約数和(自身を除く): 668392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 113, 125, 160, 200, 226, 250, 400, 452, 500, 565, 800, 904, 1000, 1130, 1808, 2000, 2260, 2825, 3616, 4000, 4520, 5650, 9040, 11300, 14125, 18080, 22600, 28250, 45200, 56500, 90400, 113000, 226000, 452000]

約数ペア:

[(1, 452000), (2, 226000), (4, 113000), (5, 90400), (8, 56500), (10, 45200), (16, 28250), (20, 22600), (25, 18080), (32, 14125), (40, 11300), (50, 9040), (80, 5650), (100, 4520), (113, 4000), (125, 3616), (160, 2825), (200, 2260), (226, 2000), (250, 1808), (400, 1130), (452, 1000), (500, 904), (565, 800)]