74720000

素因数分解:

$2^8\times 5^4\times {\mathrm{467}}^1$

素因数の和:503

約数の個数: 90

約数和(自身を含む): 186774588

約数和(自身を除く): 112054588

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 467, 500, 625, 640, 800, 934, 1000, 1250, 1280, 1600, 1868, 2000, 2335, 2500, 3200, 3736, 4000, 4670, 5000, 6400, 7472, 8000, 9340, 10000, 11675, 14944, 16000, 18680, 20000, 23350, 29888, 32000, 37360, 40000, 46700, 58375, 59776, 74720, 80000, 93400, 116750, 119552, 149440, 160000, 186800, 233500, 291875, 298880, 373600, 467000, 583750, 597760, 747200, 934000, 1167500, 1494400, 1868000, 2335000, 2988800, 3736000, 4670000, 7472000, 9340000, 14944000, 18680000, 37360000, 74720000]

約数ペア:

[(1, 74720000), (2, 37360000), (4, 18680000), (5, 14944000), (8, 9340000), (10, 7472000), (16, 4670000), (20, 3736000), (25, 2988800), (32, 2335000), (40, 1868000), (50, 1494400), (64, 1167500), (80, 934000), (100, 747200), (125, 597760), (128, 583750), (160, 467000), (200, 373600), (250, 298880), (256, 291875), (320, 233500), (400, 186800), (467, 160000), (500, 149440), (625, 119552), (640, 116750), (800, 93400), (934, 80000), (1000, 74720), (1250, 59776), (1280, 58375), (1600, 46700), (1868, 40000), (2000, 37360), (2335, 32000), (2500, 29888), (3200, 23350), (3736, 20000), (4000, 18680), (4670, 16000), (5000, 14944), (6400, 11675), (7472, 10000), (8000, 9340)]