194988800

素因数分解:

$2^8\times 5^2\times {\mathrm{30467}}^1$

素因数の和:30493

約数の個数: 54

約数和(自身を含む): 482643588

約数和(自身を除く): 287654788

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, 30467, 60934, 121868, 152335, 243736, 304670, 487472, 609340, 761675, 974944, 1218680, 1523350, 1949888, 2437360, 3046700, 3899776, 4874720, 6093400, 7799552, 9749440, 12186800, 19498880, 24373600, 38997760, 48747200, 97494400, 194988800]

約数ペア:

[(1, 194988800), (2, 97494400), (4, 48747200), (5, 38997760), (8, 24373600), (10, 19498880), (16, 12186800), (20, 9749440), (25, 7799552), (32, 6093400), (40, 4874720), (50, 3899776), (64, 3046700), (80, 2437360), (100, 1949888), (128, 1523350), (160, 1218680), (200, 974944), (256, 761675), (320, 609340), (400, 487472), (640, 304670), (800, 243736), (1280, 152335), (1600, 121868), (3200, 60934), (6400, 30467)]