201994217720

素因数分解:

$2^3\times 5^1\times {\mathrm{9199}}^1\times {\mathrm{548957}}^1$

素因数の和:558167

約数の個数: 32

約数和(自身を含む): 454537224000

約数和(自身を除く): 252543006280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9199, 18398, 36796, 45995, 73592, 91990, 183980, 367960, 548957, 1097914, 2195828, 2744785, 4391656, 5489570, 10979140, 21958280, 5049855443, 10099710886, 20199421772, 25249277215, 40398843544, 50498554430, 100997108860, 201994217720]

約数ペア:

[(1, 201994217720), (2, 100997108860), (4, 50498554430), (5, 40398843544), (8, 25249277215), (10, 20199421772), (20, 10099710886), (40, 5049855443), (9199, 21958280), (18398, 10979140), (36796, 5489570), (45995, 4391656), (73592, 2744785), (91990, 2195828), (183980, 1097914), (367960, 548957)]