494080

素因数分解:

$2^9\times 5^1\times {\mathrm{193}}^1$

素因数の和:216

約数の個数: 40

約数和(自身を含む): 1190772

約数和(自身を除く): 696692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 193, 256, 320, 386, 512, 640, 772, 965, 1280, 1544, 1930, 2560, 3088, 3860, 6176, 7720, 12352, 15440, 24704, 30880, 49408, 61760, 98816, 123520, 247040, 494080]

約数ペア:

[(1, 494080), (2, 247040), (4, 123520), (5, 98816), (8, 61760), (10, 49408), (16, 30880), (20, 24704), (32, 15440), (40, 12352), (64, 7720), (80, 6176), (128, 3860), (160, 3088), (193, 2560), (256, 1930), (320, 1544), (386, 1280), (512, 965), (640, 772)]