169902220

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{42689}}^1$

素因数の和:42897

約数の個数: 24

約数和(自身を含む): 358596000

約数和(自身を除く): 188693780

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 42689, 85378, 170756, 213445, 426890, 853780, 8495111, 16990222, 33980444, 42475555, 84951110, 169902220]

約数ペア:

[(1, 169902220), (2, 84951110), (4, 42475555), (5, 33980444), (10, 16990222), (20, 8495111), (199, 853780), (398, 426890), (796, 213445), (995, 170756), (1990, 85378), (3980, 42689)]