158165000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{4519}}^1$

素因数の和:4552

約数の個数: 80

約数和(自身を含む): 423614400

約数和(自身を除く): 265449400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 625, 700, 875, 1000, 1250, 1400, 1750, 2500, 3500, 4375, 4519, 5000, 7000, 8750, 9038, 17500, 18076, 22595, 31633, 35000, 36152, 45190, 63266, 90380, 112975, 126532, 158165, 180760, 225950, 253064, 316330, 451900, 564875, 632660, 790825, 903800, 1129750, 1265320, 1581650, 2259500, 2824375, 3163300, 3954125, 4519000, 5648750, 6326600, 7908250, 11297500, 15816500, 19770625, 22595000, 31633000, 39541250, 79082500, 158165000]

約数ペア:

[(1, 158165000), (2, 79082500), (4, 39541250), (5, 31633000), (7, 22595000), (8, 19770625), (10, 15816500), (14, 11297500), (20, 7908250), (25, 6326600), (28, 5648750), (35, 4519000), (40, 3954125), (50, 3163300), (56, 2824375), (70, 2259500), (100, 1581650), (125, 1265320), (140, 1129750), (175, 903800), (200, 790825), (250, 632660), (280, 564875), (350, 451900), (500, 316330), (625, 253064), (700, 225950), (875, 180760), (1000, 158165), (1250, 126532), (1400, 112975), (1750, 90380), (2500, 63266), (3500, 45190), (4375, 36152), (4519, 35000), (5000, 31633), (7000, 22595), (8750, 18076), (9038, 17500)]