489264640

素因数分解:

$2^9\times 5^1\times {\mathrm{191119}}^1$

素因数の和:191142

約数の個数: 40

約数和(自身を含む): 1173094560

約数和(自身を除く): 683829920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 191119, 382238, 764476, 955595, 1528952, 1911190, 3057904, 3822380, 6115808, 7644760, 12231616, 15289520, 24463232, 30579040, 48926464, 61158080, 97852928, 122316160, 244632320, 489264640]

約数ペア:

[(1, 489264640), (2, 244632320), (4, 122316160), (5, 97852928), (8, 61158080), (10, 48926464), (16, 30579040), (20, 24463232), (32, 15289520), (40, 12231616), (64, 7644760), (80, 6115808), (128, 3822380), (160, 3057904), (256, 1911190), (320, 1528952), (512, 955595), (640, 764476), (1280, 382238), (2560, 191119)]