145990400

素因数分解:

$2^8\times 5^2\times {\mathrm{22811}}^1$

素因数の和:22837

約数の個数: 54

約数和(自身を含む): 361364892

約数和(自身を除く): 215374492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 22811, 45622, 91244, 114055, 182488, 228110, 364976, 456220, 570275, 729952, 912440, 1140550, 1459904, 1824880, 2281100, 2919808, 3649760, 4562200, 5839616, 7299520, 9124400, 14599040, 18248800, 29198080, 36497600, 72995200, 145990400]

約数ペア:

[(1, 145990400), (2, 72995200), (4, 36497600), (5, 29198080), (8, 18248800), (10, 14599040), (16, 9124400), (20, 7299520), (25, 5839616), (32, 4562200), (40, 3649760), (50, 2919808), (64, 2281100), (80, 1824880), (100, 1459904), (128, 1140550), (160, 912440), (200, 729952), (256, 570275), (320, 456220), (400, 364976), (640, 228110), (800, 182488), (1280, 114055), (1600, 91244), (3200, 45622), (6400, 22811)]