197790080

素因数分解:

$2^7\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1553}}^1$

素因数の和:1771

約数の個数: 64

約数和(自身を含む): 475524000

約数和(自身を除く): 277733920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 199, 320, 398, 640, 796, 995, 1553, 1592, 1990, 3106, 3184, 3980, 6212, 6368, 7765, 7960, 12424, 12736, 15530, 15920, 24848, 25472, 31060, 31840, 49696, 62120, 63680, 99392, 124240, 127360, 198784, 248480, 309047, 496960, 618094, 993920, 1236188, 1545235, 2472376, 3090470, 4944752, 6180940, 9889504, 12361880, 19779008, 24723760, 39558016, 49447520, 98895040, 197790080]

約数ペア:

[(1, 197790080), (2, 98895040), (4, 49447520), (5, 39558016), (8, 24723760), (10, 19779008), (16, 12361880), (20, 9889504), (32, 6180940), (40, 4944752), (64, 3090470), (80, 2472376), (128, 1545235), (160, 1236188), (199, 993920), (320, 618094), (398, 496960), (640, 309047), (796, 248480), (995, 198784), (1553, 127360), (1592, 124240), (1990, 99392), (3106, 63680), (3184, 62120), (3980, 49696), (6212, 31840), (6368, 31060), (7765, 25472), (7960, 24848), (12424, 15920), (12736, 15530)]