197793280

素因数分解:

$2^9\times 5^1\times {\mathrm{77263}}^1$

素因数の和:77286

約数の個数: 40

約数和(自身を含む): 474246432

約数和(自身を除く): 276453152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 77263, 154526, 309052, 386315, 618104, 772630, 1236208, 1545260, 2472416, 3090520, 4944832, 6181040, 9889664, 12362080, 19779328, 24724160, 39558656, 49448320, 98896640, 197793280]

約数ペア:

[(1, 197793280), (2, 98896640), (4, 49448320), (5, 39558656), (8, 24724160), (10, 19779328), (16, 12362080), (20, 9889664), (32, 6181040), (40, 4944832), (64, 3090520), (80, 2472416), (128, 1545260), (160, 1236208), (256, 772630), (320, 618104), (512, 386315), (640, 309052), (1280, 154526), (2560, 77263)]