6730180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 15120000

約数和(自身を除く): 8389820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 199, 356, 380, 398, 445, 796, 890, 995, 1691, 1780, 1990, 3382, 3781, 3980, 6764, 7562, 8455, 15124, 16910, 17711, 18905, 33820, 35422, 37810, 70844, 75620, 88555, 177110, 336509, 354220, 673018, 1346036, 1682545, 3365090, 6730180]

約数ペア:

[(1, 6730180), (2, 3365090), (4, 1682545), (5, 1346036), (10, 673018), (19, 354220), (20, 336509), (38, 177110), (76, 88555), (89, 75620), (95, 70844), (178, 37810), (190, 35422), (199, 33820), (356, 18905), (380, 17711), (398, 16910), (445, 15124), (796, 8455), (890, 7562), (995, 6764), (1691, 3980), (1780, 3781), (1990, 3382)]