392738960

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{15991}}^1$

素因数の和:16311

約数の個数: 40

約数和(自身を含む): 916149696

約数和(自身を除く): 523410736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 614, 1228, 1535, 2456, 3070, 4912, 6140, 12280, 15991, 24560, 31982, 63964, 79955, 127928, 159910, 255856, 319820, 639640, 1279280, 4909237, 9818474, 19636948, 24546185, 39273896, 49092370, 78547792, 98184740, 196369480, 392738960]

約数ペア:

[(1, 392738960), (2, 196369480), (4, 98184740), (5, 78547792), (8, 49092370), (10, 39273896), (16, 24546185), (20, 19636948), (40, 9818474), (80, 4909237), (307, 1279280), (614, 639640), (1228, 319820), (1535, 255856), (2456, 159910), (3070, 127928), (4912, 79955), (6140, 63964), (12280, 31982), (15991, 24560)]